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Edit File : pluggable.php \| Size : 119.82 KB
<?php /** * These functions can be replaced via plugins. If plugins do not redefine these * functions, then these will be used instead. * * @package WordPress / if ( ! function_exists( 'wp_set_current_user' ) ) : /* * Changes the current user by ID or name. * * Set $id to null and specify a name if you do not know a user's ID. * * Some WordPress functionality is based on the current user and not based on * the signed in user. Therefore, it opens the ability to edit and perform * actions on users who aren't signed in. * * @since 2.0.3 * * @global WP_User $current_user The current user object which holds the user data. * * @param int\|null $id User ID. * @param string $name User's username. * @return WP_User Current user User object. / function wp_set_current_user( $id, $name = '' ) { global $current_user; // If `$id` matches the current user, there is nothing to do. if ( isset( $current_user ) && ( $current_user instanceof WP_User ) && ( $id === $current_user->ID ) && ( null !== $id ) ) { return $current_user; } $current_user = new WP_User( $id, $name ); setup_userdata( $current_user->ID ); /* * Fires after the current user is set. * * @since 2.0.1 / do_action( 'set_current_user' ); return $current_user; } endif; if ( ! function_exists( 'wp_get_current_user' ) ) : /* * Retrieves the current user object. * * Will set the current user, if the current user is not set. The current user * will be set to the logged-in person. If no user is logged-in, then it will * set the current user to 0, which is invalid and won't have any permissions. * * @since 2.0.3 * * @see _wp_get_current_user() * @global WP_User $current_user Checks if the current user is set. * * @return WP_User Current WP_User instance. / function wp_get_current_user() { return _wp_get_current_user(); } endif; if ( ! function_exists( 'get_userdata' ) ) : /* * Retrieves user info by user ID. * * @since 0.71 * * @param int $user_id User ID * @return WP_User\|false WP_User object on success, false on failure. / function get_userdata( $user_id ) { return get_user_by( 'id', $user_id ); } endif; if ( ! function_exists( 'get_user_by' ) ) : /* * Retrieves user info by a given field. * * @since 2.8.0 * @since 4.4.0 Added 'ID' as an alias of 'id' for the `$field` parameter. * * @global WP_User $current_user The current user object which holds the user data. * * @param string $field The field to retrieve the user with. id \| ID \| slug \| email \| login. * @param int\|string $value A value for $field. A user ID, slug, email address, or login name. * @return WP_User\|false WP_User object on success, false on failure. / function get_user_by( $field, $value ) { $userdata = WP_User::get_data_by( $field, $value ); if ( ! $userdata ) { return false; } $user = new WP_User(); $user->init( $userdata ); return $user; } endif; if ( ! function_exists( 'cache_users' ) ) : /* * Retrieves info for user lists to prevent multiple queries by get_userdata(). * * @since 3.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int[] $user_ids User ID numbers list / function cache_users( $user_ids ) { global $wpdb; update_meta_cache( 'user', $user_ids ); $clean = _get_non_cached_ids( $user_ids, 'users' ); if ( empty( $clean ) ) { return; } $list = implode( ',', $clean ); $users = $wpdb->get_results( "SELECT FROM $wpdb->users WHERE ID IN ($list)" ); foreach ( $users as $user ) { update_user_caches( $user ); } } endif; if ( ! function_exists( 'wp_mail' ) ) : /** * Sends an email, similar to PHP's mail function. * * A true return value does not automatically mean that the user received the * email successfully. It just only means that the method used was able to * process the request without any errors. * * The default content type is `text/plain` which does not allow using HTML. * However, you can set the content type of the email by using the * {@see 'wp_mail_content_type'} filter. * * The default charset is based on the charset used on the blog. The charset can * be set using the {@see 'wp_mail_charset'} filter. * * @since 1.2.1 * @since 5.5.0 is_email() is used for email validation, * instead of PHPMailer's default validator. * * @global PHPMailer\PHPMailer\PHPMailer $phpmailer * * @param string\|string[] $to Array or comma-separated list of email addresses to send message. * @param string $subject Email subject. * @param string $message Message contents. * @param string\|string[] $headers Optional. Additional headers. * @param string\|string[] $attachments Optional. Paths to files to attach. * @return bool Whether the email was sent successfully. / function wp_mail( $to, $subject, $message, $headers = '', $attachments = array() ) { // Compact the input, apply the filters, and extract them back out. /* * Filters the wp_mail() arguments. * * @since 2.2.0 * * @param array $args { * Array of the `wp_mail()` arguments. * * @type string\|string[] $to Array or comma-separated list of email addresses to send message. * @type string $subject Email subject. * @type string $message Message contents. * @type string\|string[] $headers Additional headers. * @type string\|string[] $attachments Paths to files to attach. * } / $atts = apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) ); /* * Filters whether to preempt sending an email. * * Returning a non-null value will short-circuit {@see wp_mail()}, returning * that value instead. A boolean return value should be used to indicate whether * the email was successfully sent. * * @since 5.7.0 * * @param null\|bool $return Short-circuit return value. * @param array $atts { * Array of the `wp_mail()` arguments. * * @type string\|string[] $to Array or comma-separated list of email addresses to send message. * @type string $subject Email subject. * @type string $message Message contents. * @type string\|string[] $headers Additional headers. * @type string\|string[] $attachments Paths to files to attach. * } / $pre_wp_mail = apply_filters( 'pre_wp_mail', null, $atts ); if ( null !== $pre_wp_mail ) { return $pre_wp_mail; } if ( isset( $atts['to'] ) ) { $to = $atts['to']; } if ( ! is_array( $to ) ) { $to = explode( ',', $to ); } if ( isset( $atts['subject'] ) ) { $subject = $atts['subject']; } if ( isset( $atts['message'] ) ) { $message = $atts['message']; } if ( isset( $atts['headers'] ) ) { $headers = $atts['headers']; } if ( isset( $atts['attachments'] ) ) { $attachments = $atts['attachments']; } if ( ! is_array( $attachments ) ) { $attachments = explode( "\n", str_replace( "\r\n", "\n", $attachments ) ); } global $phpmailer; // (Re)create it, if it's gone missing. if ( ! ( $phpmailer instanceof PHPMailer\PHPMailer\PHPMailer ) ) { require_once ABSPATH . WPINC . '/PHPMailer/PHPMailer.php'; require_once ABSPATH . WPINC . '/PHPMailer/SMTP.php'; require_once ABSPATH . WPINC . '/PHPMailer/Exception.php'; require_once ABSPATH . WPINC . '/class-wp-phpmailer.php'; $phpmailer = new WP_PHPMailer( true ); $phpmailer::$validator = static function ( $email ) { return (bool) is_email( $email ); }; } // Headers. $cc = array(); $bcc = array(); $reply_to = array(); if ( empty( $headers ) ) { $headers = array(); } else { if ( ! is_array( $headers ) ) { / * Explode the headers out, so this function can take * both string headers and an array of headers. / $tempheaders = explode( "\n", str_replace( "\r\n", "\n", $headers ) ); } else { $tempheaders = $headers; } $headers = array(); // If it's actually got contents. if ( ! empty( $tempheaders ) ) { // Iterate through the raw headers. foreach ( (array) $tempheaders as $header ) { if ( ! str_contains( $header, ':' ) ) { if ( false !== stripos( $header, 'boundary=' ) ) { $parts = preg_split( '/boundary=/i', trim( $header ) ); $boundary = trim( str_replace( array( "'", '"' ), '', $parts[1] ) ); } continue; } // Explode them out. list( $name, $content ) = explode( ':', trim( $header ), 2 ); // Cleanup crew. $name = trim( $name ); $content = trim( $content ); switch ( strtolower( $name ) ) { // Mainly for legacy -- process a "From:" header if it's there. case 'from': $bracket_pos = strpos( $content, '<' ); if ( false !== $bracket_pos ) { // Text before the bracketed email is the "From" name. if ( $bracket_pos > 0 ) { $from_name = substr( $content, 0, $bracket_pos ); $from_name = str_replace( '"', '', $from_name ); $from_name = trim( $from_name ); } $from_email = substr( $content, $bracket_pos + 1 ); $from_email = str_replace( '>', '', $from_email ); $from_email = trim( $from_email ); // Avoid setting an empty $from_email. } elseif ( '' !== trim( $content ) ) { $from_email = trim( $content ); } break; case 'content-type': if ( str_contains( $content, ';' ) ) { list( $type, $charset_content ) = explode( ';', $content ); $content_type = trim( $type ); if ( false !== stripos( $charset_content, 'charset=' ) ) { $charset = trim( str_replace( array( 'charset=', '"' ), '', $charset_content ) ); } elseif ( false !== stripos( $charset_content, 'boundary=' ) ) { $boundary = trim( str_replace( array( 'BOUNDARY=', 'boundary=', '"' ), '', $charset_content ) ); $charset = ''; } // Avoid setting an empty $content_type. } elseif ( '' !== trim( $content ) ) { $content_type = trim( $content ); } break; case 'cc': $cc = array_merge( (array) $cc, explode( ',', $content ) ); break; case 'bcc': $bcc = array_merge( (array) $bcc, explode( ',', $content ) ); break; case 'reply-to': $reply_to = array_merge( (array) $reply_to, explode( ',', $content ) ); break; default: // Add it to our grand headers array. $headers[ trim( $name ) ] = trim( $content ); break; } } } } // Empty out the values that may be set. $phpmailer->clearAllRecipients(); $phpmailer->clearAttachments(); $phpmailer->clearCustomHeaders(); $phpmailer->clearReplyTos(); $phpmailer->Body = ''; $phpmailer->AltBody = ''; // Set "From" name and email. // If we don't have a name from the input headers. if ( ! isset( $from_name ) ) { $from_name = 'WordPress'; } / * If we don't have an email from the input headers, default to wordpress@$sitename * Some hosts will block outgoing mail from this address if it doesn't exist, * but there's no easy alternative. Defaulting to admin_email might appear to be * another option, but some hosts may refuse to relay mail from an unknown domain. * See https://core.trac.wordpress.org/ticket/5007. / if ( ! isset( $from_email ) ) { // Get the site domain and get rid of www. $sitename = wp_parse_url( network_home_url(), PHP_URL_HOST ); $from_email = 'wordpress@'; if ( null !== $sitename ) { if ( str_starts_with( $sitename, 'www.' ) ) { $sitename = substr( $sitename, 4 ); } $from_email .= $sitename; } } /* * Filters the email address to send from. * * @since 2.2.0 * * @param string $from_email Email address to send from. / $from_email = apply_filters( 'wp_mail_from', $from_email ); /* * Filters the name to associate with the "from" email address. * * @since 2.3.0 * * @param string $from_name Name associated with the "from" email address. / $from_name = apply_filters( 'wp_mail_from_name', $from_name ); try { $phpmailer->setFrom( $from_email, $from_name, false ); } catch ( PHPMailer\PHPMailer\Exception $e ) { $mail_error_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' ); $mail_error_data['phpmailer_exception_code'] = $e->getCode(); /* This filter is documented in wp-includes/pluggable.php / do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_error_data ) ); return false; } // Set mail's subject and body. $phpmailer->Subject = $subject; $phpmailer->Body = $message; // Set destination addresses, using appropriate methods for handling addresses. $address_headers = compact( 'to', 'cc', 'bcc', 'reply_to' ); foreach ( $address_headers as $address_header => $addresses ) { if ( empty( $addresses ) ) { continue; } foreach ( (array) $addresses as $address ) { try { // Break $recipient into name and address parts if in the format "Foo <bar@baz.com>". $recipient_name = ''; if ( preg_match( '/(.)<(.+)>/', $address, $matches ) ) { if ( count( $matches ) === 3 ) { $recipient_name = $matches[1]; $address = $matches[2]; } } switch ( $address_header ) { case 'to': $phpmailer->addAddress( $address, $recipient_name ); break; case 'cc': $phpmailer->addCc( $address, $recipient_name ); break; case 'bcc': $phpmailer->addBcc( $address, $recipient_name ); break; case 'reply_to': $phpmailer->addReplyTo( $address, $recipient_name ); break; } } catch ( PHPMailer\PHPMailer\Exception $e ) { continue; } } } // Set to use PHP's mail(). $phpmailer->isMail(); // Set Content-Type and charset. // If we don't have a Content-Type from the input headers. if ( ! isset( $content_type ) ) { $content_type = 'text/plain'; } /** * Filters the wp_mail() content type. * * @since 2.3.0 * * @param string $content_type Default wp_mail() content type. / $content_type = apply_filters( 'wp_mail_content_type', $content_type ); $phpmailer->ContentType = $content_type; // Set whether it's plaintext, depending on $content_type. if ( 'text/html' === $content_type ) { $phpmailer->isHTML( true ); } // If we don't have a charset from the input headers. if ( ! isset( $charset ) ) { $charset = get_bloginfo( 'charset' ); } /* * Filters the default wp_mail() charset. * * @since 2.3.0 * * @param string $charset Default email charset. / $phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset ); // Set custom headers. if ( ! empty( $headers ) ) { foreach ( (array) $headers as $name => $content ) { // Only add custom headers not added automatically by PHPMailer. if ( ! in_array( $name, array( 'MIME-Version', 'X-Mailer' ), true ) ) { try { $phpmailer->addCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) ); } catch ( PHPMailer\PHPMailer\Exception $e ) { continue; } } } if ( false !== stripos( $content_type, 'multipart' ) && ! empty( $boundary ) ) { $phpmailer->addCustomHeader( sprintf( 'Content-Type: %s; boundary="%s"', $content_type, $boundary ) ); } } if ( ! empty( $attachments ) ) { foreach ( $attachments as $filename => $attachment ) { $filename = is_string( $filename ) ? $filename : ''; try { $phpmailer->addAttachment( $attachment, $filename ); } catch ( PHPMailer\PHPMailer\Exception $e ) { continue; } } } /* * Fires after PHPMailer is initialized. * * @since 2.2.0 * * @param PHPMailer $phpmailer The PHPMailer instance (passed by reference). / do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) ); $mail_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' ); // Send! try { $send = $phpmailer->send(); /* * Fires after PHPMailer has successfully sent an email. * * The firing of this action does not necessarily mean that the recipient(s) received the * email successfully. It only means that the `send` method above was able to * process the request without any errors. * * @since 5.9.0 * * @param array $mail_data { * An array containing the email recipient(s), subject, message, headers, and attachments. * * @type string[] $to Email addresses to send message. * @type string $subject Email subject. * @type string $message Message contents. * @type string[] $headers Additional headers. * @type string[] $attachments Paths to files to attach. * } / do_action( 'wp_mail_succeeded', $mail_data ); return $send; } catch ( PHPMailer\PHPMailer\Exception $e ) { $mail_data['phpmailer_exception_code'] = $e->getCode(); /* * Fires after a PHPMailer\PHPMailer\Exception is caught. * * @since 4.4.0 * * @param WP_Error $error A WP_Error object with the PHPMailer\PHPMailer\Exception message, and an array * containing the mail recipient, subject, message, headers, and attachments. / do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_data ) ); return false; } } endif; if ( ! function_exists( 'wp_authenticate' ) ) : /* * Authenticates a user, confirming the login credentials are valid. * * @since 2.5.0 * @since 4.5.0 `$username` now accepts an email address. * * @param string $username User's username or email address. * @param string $password User's password. * @return WP_User\|WP_Error WP_User object if the credentials are valid, * otherwise WP_Error. / function wp_authenticate( $username, #[\SensitiveParameter] $password ) { $username = sanitize_user( $username ); $password = trim( $password ); /* * Filters whether a set of user login credentials are valid. * * A WP_User object is returned if the credentials authenticate a user. * WP_Error or null otherwise. * * @since 2.8.0 * @since 4.5.0 `$username` now accepts an email address. * * @param null\|WP_User\|WP_Error $user WP_User if the user is authenticated. * WP_Error or null otherwise. * @param string $username Username or email address. * @param string $password User password. / $user = apply_filters( 'authenticate', null, $username, $password ); if ( null === $user \|\| false === $user ) { / * TODO: What should the error message be? (Or would these even happen?) * Only needed if all authentication handlers fail to return anything. / $user = new WP_Error( 'authentication_failed', __( '<strong>Error:</strong> Invalid username, email address or incorrect password.' ) ); } $ignore_codes = array( 'empty_username', 'empty_password' ); if ( is_wp_error( $user ) && ! in_array( $user->get_error_code(), $ignore_codes, true ) ) { $error = $user; /* * Fires after a user login has failed. * * @since 2.5.0 * @since 4.5.0 The value of `$username` can now be an email address. * @since 5.4.0 The `$error` parameter was added. * * @param string $username Username or email address. * @param WP_Error $error A WP_Error object with the authentication failure details. / do_action( 'wp_login_failed', $username, $error ); } return $user; } endif; if ( ! function_exists( 'wp_logout' ) ) : /* * Logs the current user out. * * @since 2.5.0 / function wp_logout() { $user_id = get_current_user_id(); wp_destroy_current_session(); wp_clear_auth_cookie(); wp_set_current_user( 0 ); /* * Fires after a user is logged out. * * @since 1.5.0 * @since 5.5.0 Added the `$user_id` parameter. * * @param int $user_id ID of the user that was logged out. / do_action( 'wp_logout', $user_id ); } endif; if ( ! function_exists( 'wp_validate_auth_cookie' ) ) : /* * Validates authentication cookie. * * The checks include making sure that the authentication cookie is set and * pulling in the contents (if $cookie is not used). * * Makes sure the cookie is not expired. Verifies the hash in cookie is what is * should be and compares the two. * * @since 2.5.0 * * @global int $login_grace_period * * @param string $cookie Optional. If used, will validate contents instead of cookie's. * @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'. * Note: This does not default to 'auth' like other cookie functions. * @return int\|false User ID if valid cookie, false if invalid. / function wp_validate_auth_cookie( $cookie = '', $scheme = '' ) { $cookie_elements = wp_parse_auth_cookie( $cookie, $scheme ); if ( ! $cookie_elements ) { /* * Fires if an authentication cookie is malformed. * * @since 2.7.0 * * @param string $cookie Malformed auth cookie. * @param string $scheme Authentication scheme. Values include 'auth', 'secure_auth', * or 'logged_in'. / do_action( 'auth_cookie_malformed', $cookie, $scheme ); return false; } $scheme = $cookie_elements['scheme']; $username = $cookie_elements['username']; $hmac = $cookie_elements['hmac']; $token = $cookie_elements['token']; $expiration = $cookie_elements['expiration']; $expired = (int) $expiration; // Allow a grace period for POST and Ajax requests. if ( wp_doing_ajax() \|\| 'POST' === $_SERVER['REQUEST_METHOD'] ) { $expired += HOUR_IN_SECONDS; } // Quick check to see if an honest cookie has expired. if ( $expired < time() ) { /* * Fires once an authentication cookie has expired. * * @since 2.7.0 * * @param string[] $cookie_elements { * Authentication cookie components. None of the components should be assumed * to be valid as they come directly from a client-provided cookie value. * * @type string $username User's username. * @type string $expiration The time the cookie expires as a UNIX timestamp. * @type string $token User's session token used. * @type string $hmac The security hash for the cookie. * @type string $scheme The cookie scheme to use. * } / do_action( 'auth_cookie_expired', $cookie_elements ); return false; } $user = get_user_by( 'login', $username ); if ( ! $user ) { /* * Fires if a bad username is entered in the user authentication process. * * @since 2.7.0 * * @param string[] $cookie_elements { * Authentication cookie components. None of the components should be assumed * to be valid as they come directly from a client-provided cookie value. * * @type string $username User's username. * @type string $expiration The time the cookie expires as a UNIX timestamp. * @type string $token User's session token used. * @type string $hmac The security hash for the cookie. * @type string $scheme The cookie scheme to use. * } / do_action( 'auth_cookie_bad_username', $cookie_elements ); return false; } if ( str_starts_with( $user->user_pass, '$P$' ) \|\| str_starts_with( $user->user_pass, '$2y$' ) ) { // Retain previous behaviour of phpass or vanilla bcrypt hashed passwords. $pass_frag = substr( $user->user_pass, 8, 4 ); } else { // Otherwise, use a substring from the end of the hash to avoid dealing with potentially long hash prefixes. $pass_frag = substr( $user->user_pass, -4 ); } $key = wp_hash( $username . '\|' . $pass_frag . '\|' . $expiration . '\|' . $token, $scheme ); $hash = hash_hmac( 'sha256', $username . '\|' . $expiration . '\|' . $token, $key ); if ( ! hash_equals( $hash, $hmac ) ) { /* * Fires if a bad authentication cookie hash is encountered. * * @since 2.7.0 * * @param string[] $cookie_elements { * Authentication cookie components. None of the components should be assumed * to be valid as they come directly from a client-provided cookie value. * * @type string $username User's username. * @type string $expiration The time the cookie expires as a UNIX timestamp. * @type string $token User's session token used. * @type string $hmac The security hash for the cookie. * @type string $scheme The cookie scheme to use. * } / do_action( 'auth_cookie_bad_hash', $cookie_elements ); return false; } $manager = WP_Session_Tokens::get_instance( $user->ID ); if ( ! $manager->verify( $token ) ) { /* * Fires if a bad session token is encountered. * * @since 4.0.0 * * @param string[] $cookie_elements { * Authentication cookie components. None of the components should be assumed * to be valid as they come directly from a client-provided cookie value. * * @type string $username User's username. * @type string $expiration The time the cookie expires as a UNIX timestamp. * @type string $token User's session token used. * @type string $hmac The security hash for the cookie. * @type string $scheme The cookie scheme to use. * } / do_action( 'auth_cookie_bad_session_token', $cookie_elements ); return false; } // Ajax/POST grace period set above. if ( $expiration < time() ) { $GLOBALS['login_grace_period'] = 1; } /* * Fires once an authentication cookie has been validated. * * @since 2.7.0 * * @param string[] $cookie_elements { * Authentication cookie components. * * @type string $username User's username. * @type string $expiration The time the cookie expires as a UNIX timestamp. * @type string $token User's session token used. * @type string $hmac The security hash for the cookie. * @type string $scheme The cookie scheme to use. * } * @param WP_User $user User object. / do_action( 'auth_cookie_valid', $cookie_elements, $user ); return $user->ID; } endif; if ( ! function_exists( 'wp_generate_auth_cookie' ) ) : /* * Generates authentication cookie contents. * * @since 2.5.0 * @since 4.0.0 The `$token` parameter was added. * * @param int $user_id User ID. * @param int $expiration The time the cookie expires as a UNIX timestamp. * @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'. * Default 'auth'. * @param string $token User's session token to use for this cookie. * @return string Authentication cookie contents. Empty string if user does not exist. / function wp_generate_auth_cookie( $user_id, $expiration, $scheme = 'auth', $token = '' ) { $user = get_userdata( $user_id ); if ( ! $user ) { return ''; } if ( ! $token ) { $manager = WP_Session_Tokens::get_instance( $user_id ); $token = $manager->create( $expiration ); } if ( str_starts_with( $user->user_pass, '$P$' ) \|\| str_starts_with( $user->user_pass, '$2y$' ) ) { // Retain previous behaviour of phpass or vanilla bcrypt hashed passwords. $pass_frag = substr( $user->user_pass, 8, 4 ); } else { // Otherwise, use a substring from the end of the hash to avoid dealing with potentially long hash prefixes. $pass_frag = substr( $user->user_pass, -4 ); } $key = wp_hash( $user->user_login . '\|' . $pass_frag . '\|' . $expiration . '\|' . $token, $scheme ); $hash = hash_hmac( 'sha256', $user->user_login . '\|' . $expiration . '\|' . $token, $key ); $cookie = $user->user_login . '\|' . $expiration . '\|' . $token . '\|' . $hash; /* * Filters the authentication cookie. * * @since 2.5.0 * @since 4.0.0 The `$token` parameter was added. * * @param string $cookie Authentication cookie. * @param int $user_id User ID. * @param int $expiration The time the cookie expires as a UNIX timestamp. * @param string $scheme Cookie scheme used. Accepts 'auth', 'secure_auth', or 'logged_in'. * @param string $token User's session token used. / return apply_filters( 'auth_cookie', $cookie, $user_id, $expiration, $scheme, $token ); } endif; if ( ! function_exists( 'wp_parse_auth_cookie' ) ) : /* * Parses a cookie into its components. * * @since 2.7.0 * @since 4.0.0 The `$token` element was added to the return value. * * @param string $cookie Authentication cookie. * @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'. * @return string[]\|false { * Authentication cookie components. None of the components should be assumed * to be valid as they come directly from a client-provided cookie value. If * the cookie value is malformed, false is returned. * * @type string $username User's username. * @type string $expiration The time the cookie expires as a UNIX timestamp. * @type string $token User's session token used. * @type string $hmac The security hash for the cookie. * @type string $scheme The cookie scheme to use. * } / function wp_parse_auth_cookie( $cookie = '', $scheme = '' ) { if ( empty( $cookie ) ) { switch ( $scheme ) { case 'auth': $cookie_name = AUTH_COOKIE; break; case 'secure_auth': $cookie_name = SECURE_AUTH_COOKIE; break; case 'logged_in': $cookie_name = LOGGED_IN_COOKIE; break; default: if ( is_ssl() ) { $cookie_name = SECURE_AUTH_COOKIE; $scheme = 'secure_auth'; } else { $cookie_name = AUTH_COOKIE; $scheme = 'auth'; } } if ( empty( $_COOKIE[ $cookie_name ] ) ) { return false; } $cookie = $_COOKIE[ $cookie_name ]; } $cookie_elements = explode( '\|', $cookie ); if ( count( $cookie_elements ) !== 4 ) { return false; } list( $username, $expiration, $token, $hmac ) = $cookie_elements; return compact( 'username', 'expiration', 'token', 'hmac', 'scheme' ); } endif; if ( ! function_exists( 'wp_set_auth_cookie' ) ) : /* * Sets the authentication cookies based on user ID. * * The $remember parameter increases the time that the cookie will be kept. The * default the cookie is kept without remembering is two days. When $remember is * set, the cookies will be kept for 14 days or two weeks. * * @since 2.5.0 * @since 4.3.0 Added the `$token` parameter. * * @param int $user_id User ID. * @param bool $remember Whether to remember the user. * @param bool\|string $secure Whether the auth cookie should only be sent over HTTPS. Default is an empty * string which means the value of `is_ssl()` will be used. * @param string $token Optional. User's session token to use for this cookie. / function wp_set_auth_cookie( $user_id, $remember = false, $secure = '', $token = '' ) { if ( $remember ) { /* * Filters the duration of the authentication cookie expiration period. * * @since 2.8.0 * * @param int $length Duration of the expiration period in seconds. * @param int $user_id User ID. * @param bool $remember Whether to remember the user login. Default false. / $expiration = time() + apply_filters( 'auth_cookie_expiration', 14 DAY_IN_SECONDS, $user_id, $remember ); /* * Ensure the browser will continue to send the cookie after the expiration time is reached. * Needed for the login grace period in wp_validate_auth_cookie(). / $expire = $expiration + ( 12 HOUR_IN_SECONDS ); } else { /** This filter is documented in wp-includes/pluggable.php / $expiration = time() + apply_filters( 'auth_cookie_expiration', 2 DAY_IN_SECONDS, $user_id, $remember ); $expire = 0; } if ( '' === $secure ) { $secure = is_ssl(); } // Front-end cookie is secure when the auth cookie is secure and the site's home URL uses HTTPS. $secure_logged_in_cookie = $secure && 'https' === parse_url( get_option( 'home' ), PHP_URL_SCHEME ); /** * Filters whether the auth cookie should only be sent over HTTPS. * * @since 3.1.0 * * @param bool $secure Whether the cookie should only be sent over HTTPS. * @param int $user_id User ID. / $secure = apply_filters( 'secure_auth_cookie', $secure, $user_id ); /* * Filters whether the logged in cookie should only be sent over HTTPS. * * @since 3.1.0 * * @param bool $secure_logged_in_cookie Whether the logged in cookie should only be sent over HTTPS. * @param int $user_id User ID. * @param bool $secure Whether the auth cookie should only be sent over HTTPS. / $secure_logged_in_cookie = apply_filters( 'secure_logged_in_cookie', $secure_logged_in_cookie, $user_id, $secure ); if ( $secure ) { $auth_cookie_name = SECURE_AUTH_COOKIE; $scheme = 'secure_auth'; } else { $auth_cookie_name = AUTH_COOKIE; $scheme = 'auth'; } if ( '' === $token ) { $manager = WP_Session_Tokens::get_instance( $user_id ); $token = $manager->create( $expiration ); } $auth_cookie = wp_generate_auth_cookie( $user_id, $expiration, $scheme, $token ); $logged_in_cookie = wp_generate_auth_cookie( $user_id, $expiration, 'logged_in', $token ); /* * Fires immediately before the authentication cookie is set. * * @since 2.5.0 * @since 4.9.0 The `$token` parameter was added. * * @param string $auth_cookie Authentication cookie value. * @param int $expire The time the login grace period expires as a UNIX timestamp. * Default is 12 hours past the cookie's expiration time. * @param int $expiration The time when the authentication cookie expires as a UNIX timestamp. * Default is 14 days from now. * @param int $user_id User ID. * @param string $scheme Authentication scheme. Values include 'auth' or 'secure_auth'. * @param string $token User's session token to use for this cookie. / do_action( 'set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme, $token ); /* * Fires immediately before the logged-in authentication cookie is set. * * @since 2.6.0 * @since 4.9.0 The `$token` parameter was added. * * @param string $logged_in_cookie The logged-in cookie value. * @param int $expire The time the login grace period expires as a UNIX timestamp. * Default is 12 hours past the cookie's expiration time. * @param int $expiration The time when the logged-in authentication cookie expires as a UNIX timestamp. * Default is 14 days from now. * @param int $user_id User ID. * @param string $scheme Authentication scheme. Default 'logged_in'. * @param string $token User's session token to use for this cookie. / do_action( 'set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in', $token ); /* * Allows preventing auth cookies from actually being sent to the client. * * @since 4.7.4 * @since 6.2.0 The `$expire`, `$expiration`, `$user_id`, `$scheme`, and `$token` parameters were added. * * @param bool $send Whether to send auth cookies to the client. Default true. * @param int $expire The time the login grace period expires as a UNIX timestamp. * Default is 12 hours past the cookie's expiration time. Zero when clearing cookies. * @param int $expiration The time when the logged-in authentication cookie expires as a UNIX timestamp. * Default is 14 days from now. Zero when clearing cookies. * @param int $user_id User ID. Zero when clearing cookies. * @param string $scheme Authentication scheme. Values include 'auth' or 'secure_auth'. * Empty string when clearing cookies. * @param string $token User's session token to use for this cookie. Empty string when clearing cookies. / if ( ! apply_filters( 'send_auth_cookies', true, $expire, $expiration, $user_id, $scheme, $token ) ) { return; } setcookie( $auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure, true ); setcookie( $auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure, true ); setcookie( LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true ); if ( COOKIEPATH !== SITECOOKIEPATH ) { setcookie( LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true ); } } endif; if ( ! function_exists( 'wp_clear_auth_cookie' ) ) : /* * Removes all of the cookies associated with authentication. * * @since 2.5.0 / function wp_clear_auth_cookie() { /* * Fires just before the authentication cookies are cleared. * * @since 2.7.0 / do_action( 'clear_auth_cookie' ); /* This filter is documented in wp-includes/pluggable.php / if ( ! apply_filters( 'send_auth_cookies', true, 0, 0, 0, '', '' ) ) { return; } // Auth cookies. setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN ); setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN ); setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN ); setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN ); setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); // Settings cookies. setcookie( 'wp-settings-' . get_current_user_id(), ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH ); setcookie( 'wp-settings-time-' . get_current_user_id(), ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH ); // Old cookies. setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); // Even older cookies. setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN ); // Post password cookie. setcookie( 'wp-postpass_' . COOKIEHASH, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN ); } endif; if ( ! function_exists( 'is_user_logged_in' ) ) : /* * Determines whether the current visitor is a logged in user. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 2.0.0 * * @return bool True if user is logged in, false if not logged in. / function is_user_logged_in() { $user = wp_get_current_user(); return $user->exists(); } endif; if ( ! function_exists( 'auth_redirect' ) ) : /* * Checks if a user is logged in, if not it redirects them to the login page. * * When this code is called from a page, it checks to see if the user viewing the page is logged in. * If the user is not logged in, they are redirected to the login page. The user is redirected * in such a way that, upon logging in, they will be sent directly to the page they were originally * trying to access. * * @since 1.5.0 / function auth_redirect() { $secure = ( is_ssl() \|\| force_ssl_admin() ); /* * Filters whether to use a secure authentication redirect. * * @since 3.1.0 * * @param bool $secure Whether to use a secure authentication redirect. Default false. / $secure = apply_filters( 'secure_auth_redirect', $secure ); // If https is required and request is http, redirect. if ( $secure && ! is_ssl() && str_contains( $_SERVER['REQUEST_URI'], 'wp-admin' ) ) { if ( str_starts_with( $_SERVER['REQUEST_URI'], 'http' ) ) { wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) ); exit; } else { wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); exit; } } /* * Filters the authentication redirect scheme. * * @since 2.9.0 * * @param string $scheme Authentication redirect scheme. Default empty. / $scheme = apply_filters( 'auth_redirect_scheme', '' ); $user_id = wp_validate_auth_cookie( '', $scheme ); if ( $user_id ) { /* * Fires before the authentication redirect. * * @since 2.8.0 * * @param int $user_id User ID. / do_action( 'auth_redirect', $user_id ); // If the user wants ssl but the session is not ssl, redirect. if ( ! $secure && get_user_option( 'use_ssl', $user_id ) && str_contains( $_SERVER['REQUEST_URI'], 'wp-admin' ) ) { if ( str_starts_with( $_SERVER['REQUEST_URI'], 'http' ) ) { wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) ); exit; } else { wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); exit; } } return; // The cookie is good, so we're done. } // The cookie is no good, so force login. nocache_headers(); if ( str_contains( $_SERVER['REQUEST_URI'], '/options.php' ) && wp_get_referer() ) { $redirect = wp_get_referer(); } else { $redirect = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); } $login_url = wp_login_url( $redirect, true ); wp_redirect( $login_url ); exit; } endif; if ( ! function_exists( 'check_admin_referer' ) ) : /* * Ensures intent by verifying that a user was referred from another admin page with the correct security nonce. * * This function ensures the user intends to perform a given action, which helps protect against clickjacking style * attacks. It verifies intent, not authorization, therefore it does not verify the user's capabilities. This should * be performed with `current_user_can()` or similar. * * If the nonce value is invalid, the function will exit with an "Are You Sure?" style message. * * @since 1.2.0 * @since 2.5.0 The `$query_arg` parameter was added. * * @param int\|string $action The nonce action. * @param string $query_arg Optional. Key to check for nonce in `$_REQUEST`. Default '_wpnonce'. * @return int\|false 1 if the nonce is valid and generated between 0-12 hours ago, * 2 if the nonce is valid and generated between 12-24 hours ago. * False if the nonce is invalid. / function check_admin_referer( $action = -1, $query_arg = '_wpnonce' ) { if ( -1 === $action ) { _doing_it_wrong( __FUNCTION__, __( 'You should specify an action to be verified by using the first parameter.' ), '3.2.0' ); } $adminurl = strtolower( admin_url() ); $referer = strtolower( wp_get_referer() ); $result = isset( $_REQUEST[ $query_arg ] ) ? wp_verify_nonce( $_REQUEST[ $query_arg ], $action ) : false; /* * Fires once the admin request has been validated or not. * * @since 1.5.1 * * @param string $action The nonce action. * @param false\|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago. / do_action( 'check_admin_referer', $action, $result ); if ( ! $result && ! ( -1 === $action && str_starts_with( $referer, $adminurl ) ) ) { wp_nonce_ays( $action ); die(); } return $result; } endif; if ( ! function_exists( 'check_ajax_referer' ) ) : /* * Verifies the Ajax request to prevent processing requests external of the blog. * * @since 2.0.3 * * @param int\|string $action Action nonce. * @param false\|string $query_arg Optional. Key to check for the nonce in `$_REQUEST` (since 2.5). If false, * `$_REQUEST` values will be evaluated for '_ajax_nonce', and '_wpnonce' * (in that order). Default false. * @param bool $stop Optional. Whether to stop early when the nonce cannot be verified. * Default true. * @return int\|false 1 if the nonce is valid and generated between 0-12 hours ago, * 2 if the nonce is valid and generated between 12-24 hours ago. * False if the nonce is invalid. / function check_ajax_referer( $action = -1, $query_arg = false, $stop = true ) { if ( -1 === $action ) { _doing_it_wrong( __FUNCTION__, __( 'You should specify an action to be verified by using the first parameter.' ), '4.7.0' ); } $nonce = ''; if ( $query_arg && isset( $_REQUEST[ $query_arg ] ) ) { $nonce = $_REQUEST[ $query_arg ]; } elseif ( isset( $_REQUEST['_ajax_nonce'] ) ) { $nonce = $_REQUEST['_ajax_nonce']; } elseif ( isset( $_REQUEST['_wpnonce'] ) ) { $nonce = $_REQUEST['_wpnonce']; } $result = wp_verify_nonce( $nonce, $action ); /* * Fires once the Ajax request has been validated or not. * * @since 2.1.0 * * @param string $action The Ajax nonce action. * @param false\|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between * 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago. / do_action( 'check_ajax_referer', $action, $result ); if ( $stop && false === $result ) { if ( wp_doing_ajax() ) { wp_die( -1, 403 ); } else { die( '-1' ); } } return $result; } endif; if ( ! function_exists( 'wp_redirect' ) ) : /* * Redirects to another page. * * Note: wp_redirect() does not exit automatically, and should almost always be * followed by a call to `exit;`: * * wp_redirect( $url ); * exit; * * Exiting can also be selectively manipulated by using wp_redirect() as a conditional * in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_status'} filters: * * if ( wp_redirect( $url ) ) { * exit; * } * * @since 1.5.1 * @since 5.1.0 The `$x_redirect_by` parameter was added. * @since 5.4.0 On invalid status codes, wp_die() is called. * * @global bool $is_IIS * * @param string $location The path or URL to redirect to. * @param int $status Optional. HTTP response status code to use. Default '302' (Moved Temporarily). * @param string\|false $x_redirect_by Optional. The application doing the redirect or false to omit. Default 'WordPress'. * @return bool False if the redirect was canceled, true otherwise. / function wp_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) { global $is_IIS; /* * Filters the redirect location. * * @since 2.1.0 * * @param string $location The path or URL to redirect to. * @param int $status The HTTP response status code to use. / $location = apply_filters( 'wp_redirect', $location, $status ); /* * Filters the redirect HTTP response status code to use. * * @since 2.3.0 * * @param int $status The HTTP response status code to use. * @param string $location The path or URL to redirect to. / $status = apply_filters( 'wp_redirect_status', $status, $location ); if ( ! $location ) { return false; } if ( $status < 300 \|\| 399 < $status ) { wp_die( __( 'HTTP redirect status code must be a redirection code, 3xx.' ) ); } $location = wp_sanitize_redirect( $location ); if ( ! $is_IIS && 'cgi-fcgi' !== PHP_SAPI ) { status_header( $status ); // This causes problems on IIS and some FastCGI setups. } /* * Filters the X-Redirect-By header. * * Allows applications to identify themselves when they're doing a redirect. * * @since 5.1.0 * * @param string\|false $x_redirect_by The application doing the redirect or false to omit the header. * @param int $status Status code to use. * @param string $location The path to redirect to. / $x_redirect_by = apply_filters( 'x_redirect_by', $x_redirect_by, $status, $location ); if ( is_string( $x_redirect_by ) ) { header( "X-Redirect-By: $x_redirect_by" ); } header( "Location: $location", true, $status ); return true; } endif; if ( ! function_exists( 'wp_sanitize_redirect' ) ) : /* * Sanitizes a URL for use in a redirect. * * @since 2.3.0 * * @param string $location The path to redirect to. * @return string Redirect-sanitized URL. / function wp_sanitize_redirect( $location ) { // Encode spaces. $location = str_replace( ' ', '%20', $location ); $regex = '/ ( (?: [\xC2-\xDF][\x80-\xBF] # double-byte sequences 110xxxxx 10xxxxxx \| \xE0[\xA0-\xBF][\x80-\xBF] # triple-byte sequences 1110xxxx 10xxxxxx 2 \| [\xE1-\xEC][\x80-\xBF]{2} \| \xED[\x80-\x9F][\x80-\xBF] \| [\xEE-\xEF][\x80-\xBF]{2} \| \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences 11110xxx 10xxxxxx * 3 \| [\xF1-\xF3][\x80-\xBF]{3} \| \xF4[\x80-\x8F][\x80-\xBF]{2} ){1,40} # ...one or more times )/x'; $location = preg_replace_callback( $regex, '_wp_sanitize_utf8_in_redirect', $location ); $location = preg_replace( '\|[^a-z0-9-~+_.?#=&;,/:%!\[\]()@]\|i', '', $location ); $location = wp_kses_no_null( $location ); // Remove %0D and %0A from location. $strip = array( '%0d', '%0a', '%0D', '%0A' ); return _deep_replace( $strip, $location ); } /* * URL encodes UTF-8 characters in a URL. * * @ignore * @since 4.2.0 * @access private * * @see wp_sanitize_redirect() * * @param array $matches RegEx matches against the redirect location. * @return string URL-encoded version of the first RegEx match. / function _wp_sanitize_utf8_in_redirect( $matches ) { return urlencode( $matches[0] ); } endif; if ( ! function_exists( 'wp_safe_redirect' ) ) : /* * Performs a safe (local) redirect, using wp_redirect(). * * Checks whether the $location is using an allowed host, if it has an absolute * path. A plugin can therefore set or remove allowed host(s) to or from the * list. * * If the host is not allowed, then the redirect defaults to wp-admin on the siteurl * instead. This prevents malicious redirects which redirect to another host, * but only used in a few places. * * Note: wp_safe_redirect() does not exit automatically, and should almost always be * followed by a call to `exit;`: * * wp_safe_redirect( $url ); * exit; * * Exiting can also be selectively manipulated by using wp_safe_redirect() as a conditional * in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_status'} filters: * * if ( wp_safe_redirect( $url ) ) { * exit; * } * * @since 2.3.0 * @since 5.1.0 The return value from wp_redirect() is now passed on, and the `$x_redirect_by` parameter was added. * * @param string $location The path or URL to redirect to. * @param int $status Optional. HTTP response status code to use. Default '302' (Moved Temporarily). * @param string\|false $x_redirect_by Optional. The application doing the redirect or false to omit. Default 'WordPress'. * @return bool False if the redirect was canceled, true otherwise. / function wp_safe_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) { // Need to look at the URL the way it will end up in wp_redirect(). $location = wp_sanitize_redirect( $location ); /* * Filters the redirect fallback URL for when the provided redirect is not safe (local). * * @since 4.3.0 * * @param string $fallback_url The fallback URL to use by default. * @param int $status The HTTP response status code to use. / $fallback_url = apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status ); $location = wp_validate_redirect( $location, $fallback_url ); return wp_redirect( $location, $status, $x_redirect_by ); } endif; if ( ! function_exists( 'wp_validate_redirect' ) ) : /* * Validates a URL for use in a redirect. * * Checks whether the $location is using an allowed host, if it has an absolute * path. A plugin can therefore set or remove allowed host(s) to or from the * list. * * If the host is not allowed, then the redirect is to $fallback_url supplied. * * @since 2.8.1 * * @param string $location The redirect to validate. * @param string $fallback_url The value to return if $location is not allowed. * @return string Redirect-sanitized URL. / function wp_validate_redirect( $location, $fallback_url = '' ) { $location = wp_sanitize_redirect( trim( $location, " \t\n\r\0\x08\x0B" ) ); // Browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//'. if ( str_starts_with( $location, '//' ) ) { $location = 'http:' . $location; } / * In PHP 5 parse_url() may fail if the URL query part contains 'http://'. * See https://bugs.php.net/bug.php?id=38143 / $cut = strpos( $location, '?' ); $test = $cut ? substr( $location, 0, $cut ) : $location; $lp = parse_url( $test ); // Give up if malformed URL. if ( false === $lp ) { return $fallback_url; } // Allow only 'http' and 'https' schemes. No 'data:', etc. if ( isset( $lp['scheme'] ) && ! ( 'http' === $lp['scheme'] \|\| 'https' === $lp['scheme'] ) ) { return $fallback_url; } if ( ! isset( $lp['host'] ) && ! empty( $lp['path'] ) && '/' !== $lp['path'][0] ) { $path = ''; if ( ! empty( $_SERVER['REQUEST_URI'] ) ) { $path = dirname( parse_url( 'http://placeholder' . $_SERVER['REQUEST_URI'], PHP_URL_PATH ) . '?' ); $path = wp_normalize_path( $path ); } $location = '/' . ltrim( $path . '/', '/' ) . $location; } / * Reject if certain components are set but host is not. * This catches URLs like https:host.com for which parse_url() does not set the host field. / if ( ! isset( $lp['host'] ) && ( isset( $lp['scheme'] ) \|\| isset( $lp['user'] ) \|\| isset( $lp['pass'] ) \|\| isset( $lp['port'] ) ) ) { return $fallback_url; } // Reject malformed components parse_url() can return on odd inputs. foreach ( array( 'user', 'pass', 'host' ) as $component ) { if ( isset( $lp[ $component ] ) && strpbrk( $lp[ $component ], ':/?#@' ) ) { return $fallback_url; } } $wpp = parse_url( home_url() ); /* * Filters the list of allowed hosts to redirect to. * * @since 2.3.0 * * @param string[] $hosts An array of allowed host names. * @param string $host The host name of the redirect destination; empty string if not set. / $allowed_hosts = (array) apply_filters( 'allowed_redirect_hosts', array( $wpp['host'] ), isset( $lp['host'] ) ? $lp['host'] : '' ); if ( isset( $lp['host'] ) && ( ! in_array( $lp['host'], $allowed_hosts, true ) && strtolower( $wpp['host'] ) !== $lp['host'] ) ) { $location = $fallback_url; } return $location; } endif; if ( ! function_exists( 'wp_notify_postauthor' ) ) : /* * Notifies an author (and/or others) of a comment/trackback/pingback on a post. * * @since 1.0.0 * * @param int\|WP_Comment $comment_id Comment ID or WP_Comment object. * @param string $deprecated Not used. * @return bool True on completion. False if no email addresses were specified. / function wp_notify_postauthor( $comment_id, $deprecated = null ) { if ( null !== $deprecated ) { _deprecated_argument( __FUNCTION__, '3.8.0' ); } $comment = get_comment( $comment_id ); if ( empty( $comment ) \|\| empty( $comment->comment_post_ID ) ) { return false; } $post = get_post( $comment->comment_post_ID ); $author = get_userdata( $post->post_author ); // Who to notify? By default, just the post author, but others can be added. $emails = array(); if ( $author ) { $emails[] = $author->user_email; } /* * Filters the list of email addresses to receive a comment notification. * * By default, only post authors are notified of comments. This filter allows * others to be added. * * @since 3.7.0 * * @param string[] $emails An array of email addresses to receive a comment notification. * @param string $comment_id The comment ID as a numeric string. / $emails = apply_filters( 'comment_notification_recipients', $emails, $comment->comment_ID ); $emails = array_filter( $emails ); // If there are no addresses to send the comment to, bail. if ( ! count( $emails ) ) { return false; } // Facilitate unsetting below without knowing the keys. $emails = array_flip( $emails ); /* * Filters whether to notify comment authors of their comments on their own posts. * * By default, comment authors aren't notified of their comments on their own * posts. This filter allows you to override that. * * @since 3.8.0 * * @param bool $notify Whether to notify the post author of their own comment. * Default false. * @param string $comment_id The comment ID as a numeric string. / $notify_author = apply_filters( 'comment_notification_notify_author', false, $comment->comment_ID ); // The comment was left by the author. if ( $author && ! $notify_author && (int) $comment->user_id === (int) $post->post_author ) { unset( $emails[ $author->user_email ] ); } // The author moderated a comment on their own post. if ( $author && ! $notify_author && get_current_user_id() === (int) $post->post_author ) { unset( $emails[ $author->user_email ] ); } // The post author is no longer a member of the blog. if ( $author && ! $notify_author && ! user_can( $post->post_author, 'read_post', $post->ID ) ) { unset( $emails[ $author->user_email ] ); } // If there's no email to send the comment to, bail, otherwise flip array back around for use below. if ( ! count( $emails ) ) { return false; } else { $emails = array_flip( $emails ); } $comment_author_domain = ''; if ( WP_Http::is_ip_address( $comment->comment_author_IP ) ) { $comment_author_domain = gethostbyaddr( $comment->comment_author_IP ); } / * The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). * We want to reverse this for the plain text arena of emails. / $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); $comment_content = wp_specialchars_decode( $comment->comment_content ); $wp_email = 'wordpress@' . preg_replace( '#^www\.#', '', wp_parse_url( network_home_url(), PHP_URL_HOST ) ); if ( '' === $comment->comment_author ) { $from = "From: \"$blogname\" <$wp_email>"; if ( '' !== $comment->comment_author_email ) { $reply_to = "Reply-To: $comment->comment_author_email"; } } else { $from = "From: \"$comment->comment_author\" <$wp_email>"; if ( '' !== $comment->comment_author_email ) { $reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>"; } } $message_headers = "$from\n" . 'Content-Type: text/plain; charset="' . get_option( 'blog_charset' ) . "\"\n"; if ( isset( $reply_to ) ) { $message_headers .= $reply_to . "\n"; } /* * Filters the comment notification email headers. * * @since 1.5.2 * * @param string $message_headers Headers for the comment notification email. * @param string $comment_id Comment ID as a numeric string. / $message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment->comment_ID ); foreach ( $emails as $email ) { $user = get_user_by( 'email', $email ); if ( $user ) { $switched_locale = switch_to_user_locale( $user->ID ); } else { $switched_locale = switch_to_locale( get_locale() ); } switch ( $comment->comment_type ) { case 'trackback': / translators: %s: Post title. / $notify_message = sprintf( __( 'New trackback on your post "%s"' ), $post->post_title ) . "\r\n"; / translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. / $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; / translators: %s: Trackback/pingback/comment author URL. / $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; / translators: %s: Comment text. / $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; $notify_message .= __( 'You can see all trackbacks on this post here:' ) . "\r\n"; / translators: Trackback notification email subject. 1: Site title, 2: Post title. / $subject = sprintf( __( '[%1$s] Trackback: "%2$s"' ), $blogname, $post->post_title ); break; case 'pingback': / translators: %s: Post title. / $notify_message = sprintf( __( 'New pingback on your post "%s"' ), $post->post_title ) . "\r\n"; / translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. / $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; / translators: %s: Trackback/pingback/comment author URL. / $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; / translators: %s: Comment text. / $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; $notify_message .= __( 'You can see all pingbacks on this post here:' ) . "\r\n"; / translators: Pingback notification email subject. 1: Site title, 2: Post title. / $subject = sprintf( __( '[%1$s] Pingback: "%2$s"' ), $blogname, $post->post_title ); break; default: // Comments. / translators: %s: Post title. / $notify_message = sprintf( __( 'New comment on your post "%s"' ), $post->post_title ) . "\r\n"; / translators: 1: Comment author's name, 2: Comment author's IP address, 3: Comment author's hostname. / $notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; / translators: %s: Comment author email. / $notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n"; / translators: %s: Trackback/pingback/comment author URL. / $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; if ( $comment->comment_parent && user_can( $post->post_author, 'edit_comment', $comment->comment_parent ) ) { / translators: Comment moderation. %s: Parent comment edit URL. / $notify_message .= sprintf( __( 'In reply to: %s' ), admin_url( "comment.php?action=editcomment&c={$comment->comment_parent}#wpbody-content" ) ) . "\r\n"; } / translators: %s: Comment text. / $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; $notify_message .= __( 'You can see all comments on this post here:' ) . "\r\n"; / translators: Comment notification email subject. 1: Site title, 2: Post title. / $subject = sprintf( __( '[%1$s] Comment: "%2$s"' ), $blogname, $post->post_title ); break; } $notify_message .= get_permalink( $comment->comment_post_ID ) . "#comments\r\n\r\n"; / translators: %s: Comment URL. / $notify_message .= sprintf( __( 'Permalink: %s' ), get_comment_link( $comment ) ) . "\r\n"; if ( user_can( $post->post_author, 'edit_comment', $comment->comment_ID ) ) { if ( EMPTY_TRASH_DAYS ) { / translators: Comment moderation. %s: Comment action URL. / $notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n"; } else { / translators: Comment moderation. %s: Comment action URL. / $notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n"; } / translators: Comment moderation. %s: Comment action URL. / $notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n"; } /* * Filters the comment notification email text. * * @since 1.5.2 * * @param string $notify_message The comment notification email text. * @param string $comment_id Comment ID as a numeric string. / $notify_message = apply_filters( 'comment_notification_text', $notify_message, $comment->comment_ID ); /* * Filters the comment notification email subject. * * @since 1.5.2 * * @param string $subject The comment notification email subject. * @param string $comment_id Comment ID as a numeric string. / $subject = apply_filters( 'comment_notification_subject', $subject, $comment->comment_ID ); wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers ); if ( $switched_locale ) { restore_previous_locale(); } } return true; } endif; if ( ! function_exists( 'wp_notify_moderator' ) ) : /* * Notifies the moderator of the site about a new comment that is awaiting approval. * * @since 1.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * Uses the {@see 'notify_moderator'} filter to determine whether the site moderator * should be notified, overriding the site setting. * * @param int $comment_id Comment ID. * @return true Always returns true. / function wp_notify_moderator( $comment_id ) { global $wpdb; $maybe_notify = get_option( 'moderation_notify' ); /* * Filters whether to send the site moderator email notifications, overriding the site setting. * * @since 4.4.0 * * @param bool $maybe_notify Whether to notify blog moderator. * @param int $comment_id The ID of the comment for the notification. / $maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id ); if ( ! $maybe_notify ) { return true; } $comment = get_comment( $comment_id ); $post = get_post( $comment->comment_post_ID ); $user = get_userdata( $post->post_author ); // Send to the administration and to the post author if the author can modify the comment. $emails = array( get_option( 'admin_email' ) ); if ( $user && user_can( $user->ID, 'edit_comment', $comment_id ) && ! empty( $user->user_email ) ) { if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) { $emails[] = $user->user_email; } } $comment_author_domain = ''; if ( WP_Http::is_ip_address( $comment->comment_author_IP ) ) { $comment_author_domain = gethostbyaddr( $comment->comment_author_IP ); } $comments_waiting = $wpdb->get_var( "SELECT COUNT() FROM $wpdb->comments WHERE comment_approved = '0'" ); /* * The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). * We want to reverse this for the plain text arena of emails. / $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); $comment_content = wp_specialchars_decode( $comment->comment_content ); $message_headers = ''; /* * Filters the list of recipients for comment moderation emails. * * @since 3.7.0 * * @param string[] $emails List of email addresses to notify for comment moderation. * @param int $comment_id Comment ID. / $emails = apply_filters( 'comment_moderation_recipients', $emails, $comment_id ); /* * Filters the comment moderation email headers. * * @since 2.8.0 * * @param string $message_headers Headers for the comment moderation email. * @param int $comment_id Comment ID. / $message_headers = apply_filters( 'comment_moderation_headers', $message_headers, $comment_id ); foreach ( $emails as $email ) { $user = get_user_by( 'email', $email ); if ( $user ) { $switched_locale = switch_to_user_locale( $user->ID ); } else { $switched_locale = switch_to_locale( get_locale() ); } switch ( $comment->comment_type ) { case 'trackback': / translators: %s: Post title. / $notify_message = sprintf( __( 'A new trackback on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n"; $notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n"; / translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. / $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; / translators: %s: Trackback/pingback/comment author URL. / $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; $notify_message .= __( 'Trackback excerpt: ' ) . "\r\n" . $comment_content . "\r\n\r\n"; break; case 'pingback': / translators: %s: Post title. / $notify_message = sprintf( __( 'A new pingback on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n"; $notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n"; / translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. / $notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; / translators: %s: Trackback/pingback/comment author URL. / $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; $notify_message .= __( 'Pingback excerpt: ' ) . "\r\n" . $comment_content . "\r\n\r\n"; break; default: // Comments. / translators: %s: Post title. / $notify_message = sprintf( __( 'A new comment on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n"; $notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n"; / translators: 1: Comment author's name, 2: Comment author's IP address, 3: Comment author's hostname. / $notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n"; / translators: %s: Comment author email. / $notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n"; / translators: %s: Trackback/pingback/comment author URL. / $notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n"; if ( $comment->comment_parent ) { / translators: Comment moderation. %s: Parent comment edit URL. / $notify_message .= sprintf( __( 'In reply to: %s' ), admin_url( "comment.php?action=editcomment&c={$comment->comment_parent}#wpbody-content" ) ) . "\r\n"; } / translators: %s: Comment text. / $notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n"; break; } / translators: Comment moderation. %s: Comment action URL. / $notify_message .= sprintf( __( 'Approve it: %s' ), admin_url( "comment.php?action=approve&c={$comment_id}#wpbody-content" ) ) . "\r\n"; if ( EMPTY_TRASH_DAYS ) { / translators: Comment moderation. %s: Comment action URL. / $notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment_id}#wpbody-content" ) ) . "\r\n"; } else { / translators: Comment moderation. %s: Comment action URL. / $notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment_id}#wpbody-content" ) ) . "\r\n"; } / translators: Comment moderation. %s: Comment action URL. / $notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment_id}#wpbody-content" ) ) . "\r\n"; $notify_message .= sprintf( / translators: Comment moderation. %s: Number of comments awaiting approval. / _n( 'Currently %s comment is waiting for approval. Please visit the moderation panel:', 'Currently %s comments are waiting for approval. Please visit the moderation panel:', $comments_waiting ), number_format_i18n( $comments_waiting ) ) . "\r\n"; $notify_message .= admin_url( 'edit-comments.php?comment_status=moderated#wpbody-content' ) . "\r\n"; / translators: Comment moderation notification email subject. 1: Site title, 2: Post title. / $subject = sprintf( __( '[%1$s] Please moderate: "%2$s"' ), $blogname, $post->post_title ); /* * Filters the comment moderation email text. * * @since 1.5.2 * * @param string $notify_message Text of the comment moderation email. * @param int $comment_id Comment ID. / $notify_message = apply_filters( 'comment_moderation_text', $notify_message, $comment_id ); /* * Filters the comment moderation email subject. * * @since 1.5.2 * * @param string $subject Subject of the comment moderation email. * @param int $comment_id Comment ID. / $subject = apply_filters( 'comment_moderation_subject', $subject, $comment_id ); wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers ); if ( $switched_locale ) { restore_previous_locale(); } } return true; } endif; if ( ! function_exists( 'wp_password_change_notification' ) ) : /* * Notifies the blog admin of a user changing password, normally via email. * * @since 2.7.0 * * @param WP_User $user User object. / function wp_password_change_notification( $user ) { / * Send a copy of password change notification to the admin, * but check to see if it's the admin whose password we're changing, and skip this. / if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) { $admin_user = get_user_by( 'email', get_option( 'admin_email' ) ); if ( $admin_user ) { $switched_locale = switch_to_user_locale( $admin_user->ID ); } else { $switched_locale = switch_to_locale( get_locale() ); } / translators: %s: User name. / $message = sprintf( __( 'Password changed for user: %s' ), $user->user_login ) . "\r\n"; / * The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). * We want to reverse this for the plain text arena of emails. / $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); $wp_password_change_notification_email = array( 'to' => get_option( 'admin_email' ), / translators: Password change notification email subject. %s: Site title. / 'subject' => __( '[%s] Password Changed' ), 'message' => $message, 'headers' => '', ); /* * Filters the contents of the password change notification email sent to the site admin. * * @since 4.9.0 * * @param array $wp_password_change_notification_email { * Used to build wp_mail(). * * @type string $to The intended recipient - site admin email address. * @type string $subject The subject of the email. * @type string $message The body of the email. * @type string $headers The headers of the email. * } * @param WP_User $user User object for user whose password was changed. * @param string $blogname The site title. / $wp_password_change_notification_email = apply_filters( 'wp_password_change_notification_email', $wp_password_change_notification_email, $user, $blogname ); wp_mail( $wp_password_change_notification_email['to'], wp_specialchars_decode( sprintf( $wp_password_change_notification_email['subject'], $blogname ) ), $wp_password_change_notification_email['message'], $wp_password_change_notification_email['headers'] ); if ( $switched_locale ) { restore_previous_locale(); } } } endif; if ( ! function_exists( 'wp_new_user_notification' ) ) : /* * Emails login credentials to a newly-registered user. * * A new user registration notification is also sent to admin email. * * @since 2.0.0 * @since 4.3.0 The `$plaintext_pass` parameter was changed to `$notify`. * @since 4.3.1 The `$plaintext_pass` parameter was deprecated. `$notify` added as a third parameter. * @since 4.6.0 The `$notify` parameter accepts 'user' for sending notification only to the user created. * * @param int $user_id User ID. * @param null $deprecated Not used (argument deprecated). * @param string $notify Optional. Type of notification that should happen. Accepts 'admin' or an empty * string (admin only), 'user', or 'both' (admin and user). Default empty. / function wp_new_user_notification( $user_id, $deprecated = null, $notify = '' ) { if ( null !== $deprecated ) { _deprecated_argument( __FUNCTION__, '4.3.1' ); } // Accepts only 'user', 'admin' , 'both' or default '' as $notify. if ( ! in_array( $notify, array( 'user', 'admin', 'both', '' ), true ) ) { return; } $user = get_userdata( $user_id ); / * The blogname option is escaped with esc_html() on the way into the database in sanitize_option(). * We want to reverse this for the plain text arena of emails. / $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); /* * Filters whether the admin is notified of a new user registration. * * @since 6.1.0 * * @param bool $send Whether to send the email. Default true. * @param WP_User $user User object for new user. / $send_notification_to_admin = apply_filters( 'wp_send_new_user_notification_to_admin', true, $user ); if ( 'user' !== $notify && true === $send_notification_to_admin ) { $admin_user = get_user_by( 'email', get_option( 'admin_email' ) ); if ( $admin_user ) { $switched_locale = switch_to_user_locale( $admin_user->ID ); } else { $switched_locale = switch_to_locale( get_locale() ); } / translators: %s: Site title. / $message = sprintf( __( 'New user registration on your site %s:' ), $blogname ) . "\r\n\r\n"; / translators: %s: User login. / $message .= sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n"; / translators: %s: User email address. / $message .= sprintf( __( 'Email: %s' ), $user->user_email ) . "\r\n"; $wp_new_user_notification_email_admin = array( 'to' => get_option( 'admin_email' ), / translators: New user registration notification email subject. %s: Site title. / 'subject' => __( '[%s] New User Registration' ), 'message' => $message, 'headers' => '', ); /* * Filters the contents of the new user notification email sent to the site admin. * * @since 4.9.0 * * @param array $wp_new_user_notification_email_admin { * Used to build wp_mail(). * * @type string $to The intended recipient - site admin email address. * @type string $subject The subject of the email. * @type string $message The body of the email. * @type string $headers The headers of the email. * } * @param WP_User $user User object for new user. * @param string $blogname The site title. / $wp_new_user_notification_email_admin = apply_filters( 'wp_new_user_notification_email_admin', $wp_new_user_notification_email_admin, $user, $blogname ); wp_mail( $wp_new_user_notification_email_admin['to'], wp_specialchars_decode( sprintf( $wp_new_user_notification_email_admin['subject'], $blogname ) ), $wp_new_user_notification_email_admin['message'], $wp_new_user_notification_email_admin['headers'] ); if ( $switched_locale ) { restore_previous_locale(); } } /* * Filters whether the user is notified of their new user registration. * * @since 6.1.0 * * @param bool $send Whether to send the email. Default true. * @param WP_User $user User object for new user. / $send_notification_to_user = apply_filters( 'wp_send_new_user_notification_to_user', true, $user ); // `$deprecated` was pre-4.3 `$plaintext_pass`. An empty `$plaintext_pass` didn't sent a user notification. if ( 'admin' === $notify \|\| true !== $send_notification_to_user \|\| ( empty( $deprecated ) && empty( $notify ) ) ) { return; } $key = get_password_reset_key( $user ); if ( is_wp_error( $key ) ) { return; } $switched_locale = switch_to_user_locale( $user_id ); / translators: %s: User login. / $message = sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n"; $message .= __( 'To set your password, visit the following address:' ) . "\r\n\r\n"; / * Since some user login names end in a period, this could produce ambiguous URLs that * end in a period. To avoid the ambiguity, ensure that the login is not the last query * arg in the URL. If moving it to the end, a trailing period will need to be escaped. * * @see https://core.trac.wordpress.org/tickets/42957 / $message .= network_site_url( 'wp-login.php?login=' . rawurlencode( $user->user_login ) . "&key=$key&action=rp", 'login' ) . "\r\n\r\n"; $message .= wp_login_url() . "\r\n"; $wp_new_user_notification_email = array( 'to' => $user->user_email, / translators: Login details notification email subject. %s: Site title. / 'subject' => __( '[%s] Login Details' ), 'message' => $message, 'headers' => '', ); /* * Filters the contents of the new user notification email sent to the new user. * * @since 4.9.0 * * @param array $wp_new_user_notification_email { * Used to build wp_mail(). * * @type string $to The intended recipient - New user email address. * @type string $subject The subject of the email. * @type string $message The body of the email. * @type string $headers The headers of the email. * } * @param WP_User $user User object for new user. * @param string $blogname The site title. / $wp_new_user_notification_email = apply_filters( 'wp_new_user_notification_email', $wp_new_user_notification_email, $user, $blogname ); wp_mail( $wp_new_user_notification_email['to'], wp_specialchars_decode( sprintf( $wp_new_user_notification_email['subject'], $blogname ) ), $wp_new_user_notification_email['message'], $wp_new_user_notification_email['headers'] ); if ( $switched_locale ) { restore_previous_locale(); } } endif; if ( ! function_exists( 'wp_nonce_tick' ) ) : /* * Returns the time-dependent variable for nonce creation. * * A nonce has a lifespan of two ticks. Nonces in their second tick may be * updated, e.g. by autosave. * * @since 2.5.0 * @since 6.1.0 Added `$action` argument. * * @param string\|int $action Optional. The nonce action. Default -1. * @return float Float value rounded up to the next highest integer. / function wp_nonce_tick( $action = -1 ) { /* * Filters the lifespan of nonces in seconds. * * @since 2.5.0 * @since 6.1.0 Added `$action` argument to allow for more targeted filters. * * @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day. * @param string\|int $action The nonce action, or -1 if none was provided. / $nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS, $action ); return ceil( time() / ( $nonce_life / 2 ) ); } endif; if ( ! function_exists( 'wp_verify_nonce' ) ) : /* * Verifies that a correct security nonce was used with time limit. * * A nonce is valid for between 12 and 24 hours (by default). * * @since 2.0.3 * * @param string $nonce Nonce value that was used for verification, usually via a form field. * @param string\|int $action Should give context to what is taking place and be the same when nonce was created. * @return int\|false 1 if the nonce is valid and generated between 0-12 hours ago, * 2 if the nonce is valid and generated between 12-24 hours ago. * False if the nonce is invalid. / function wp_verify_nonce( $nonce, $action = -1 ) { $nonce = (string) $nonce; $user = wp_get_current_user(); $uid = (int) $user->ID; if ( ! $uid ) { /* * Filters whether the user who generated the nonce is logged out. * * @since 3.5.0 * * @param int $uid ID of the nonce-owning user. * @param string\|int $action The nonce action, or -1 if none was provided. / $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); } if ( empty( $nonce ) ) { return false; } $token = wp_get_session_token(); $i = wp_nonce_tick( $action ); // Nonce generated 0-12 hours ago. $expected = substr( wp_hash( $i . '\|' . $action . '\|' . $uid . '\|' . $token, 'nonce' ), -12, 10 ); if ( hash_equals( $expected, $nonce ) ) { return 1; } // Nonce generated 12-24 hours ago. $expected = substr( wp_hash( ( $i - 1 ) . '\|' . $action . '\|' . $uid . '\|' . $token, 'nonce' ), -12, 10 ); if ( hash_equals( $expected, $nonce ) ) { return 2; } /* * Fires when nonce verification fails. * * @since 4.4.0 * * @param string $nonce The invalid nonce. * @param string\|int $action The nonce action. * @param WP_User $user The current user object. * @param string $token The user's session token. / do_action( 'wp_verify_nonce_failed', $nonce, $action, $user, $token ); // Invalid nonce. return false; } endif; if ( ! function_exists( 'wp_create_nonce' ) ) : /* * Creates a cryptographic token tied to a specific action, user, user session, * and window of time. * * @since 2.0.3 * @since 4.0.0 Session tokens were integrated with nonce creation. * * @param string\|int $action Scalar value to add context to the nonce. * @return string The token. / function wp_create_nonce( $action = -1 ) { $user = wp_get_current_user(); $uid = (int) $user->ID; if ( ! $uid ) { /* This filter is documented in wp-includes/pluggable.php / $uid = apply_filters( 'nonce_user_logged_out', $uid, $action ); } $token = wp_get_session_token(); $i = wp_nonce_tick( $action ); return substr( wp_hash( $i . '\|' . $action . '\|' . $uid . '\|' . $token, 'nonce' ), -12, 10 ); } endif; if ( ! function_exists( 'wp_salt' ) ) : /* * Returns a salt to add to hashes. * * Salts are created using secret keys. Secret keys are located in two places: * in the database and in the wp-config.php file. The secret key in the database * is randomly generated and will be appended to the secret keys in wp-config.php. * * The secret keys in wp-config.php should be updated to strong, random keys to maximize * security. Below is an example of how the secret key constants are defined. * Do not paste this example directly into wp-config.php. Instead, have a * {@link https://api.wordpress.org/secret-key/1.1/salt/ secret key created} just * for you. * * define('AUTH_KEY', ' Xakm<o xQy rw4EMsLKM-?!T+,PFF})H4lzcW57AF0U@N@< >M%G4Yt>f`z]MON'); * define('SECURE_AUTH_KEY', 'LzJ}op]mr\|6+![P}Ak:uNdJCJZd>(Hx.-Mh#Tz)pCIU#uGEnfFz\|f ;;eU%/U^O~'); * define('LOGGED_IN_KEY', '\|i\|Ux`9<p-h$aFf(qnT:sDO:D1P^wZ$$/Ra@miTJi9G;ddp_<q}6H1)o\|a +&JCM'); * define('NONCE_KEY', '%:R{[P\|,s.KuMltH5}cI;/k<Gx~j!f0I)m_sIyu+&NJZ)-iO>z7X>QYR0Z_XnZ@\|'); * define('AUTH_SALT', 'eZyT)-Naw]F8CwAVaW#q\|.)g@o}\|\|wf~@C-YSt}(dh_r6EbI#A,y\|nU2{B#JBW'); * define('SECURE_AUTH_SALT', '!=oLUTXh,QW=H `}`L\|9/^4-3 STz},T(w}W<I`.JjPi)<Bmf1v,HpGe}T1:Xt7n'); * define('LOGGED_IN_SALT', '+XSqHc;@QK_b\|Z?NC[3H!!EONbh.n<+=uKR:>c(u`g~EJBf#8u#R{mUEZrozmm'); * define('NONCE_SALT', 'h`GXHhD>SLWVfg1(1(N{;.V!MoE(SfbA_ksP@&`+AycHcAV$+?@3q+rxV{%^VyKT'); * * Salting passwords helps against tools which has stored hashed values of * common dictionary strings. The added values makes it harder to crack. * * @since 2.5.0 * * @link https://api.wordpress.org/secret-key/1.1/salt/ Create secrets for wp-config.php * * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce). * @return string Salt value / function wp_salt( $scheme = 'auth' ) { static $cached_salts = array(); if ( isset( $cached_salts[ $scheme ] ) ) { /* * Filters the WordPress salt. * * @since 2.5.0 * * @param string $cached_salt Cached salt for the given scheme. * @param string $scheme Authentication scheme. Values include 'auth', * 'secure_auth', 'logged_in', and 'nonce'. / return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme ); } static $duplicated_keys; if ( null === $duplicated_keys ) { $duplicated_keys = array(); foreach ( array( 'AUTH', 'SECURE_AUTH', 'LOGGED_IN', 'NONCE', 'SECRET' ) as $first ) { foreach ( array( 'KEY', 'SALT' ) as $second ) { if ( ! defined( "{$first}_{$second}" ) ) { continue; } $value = constant( "{$first}_{$second}" ); $duplicated_keys[ $value ] = isset( $duplicated_keys[ $value ] ); } } $duplicated_keys['put your unique phrase here'] = true; / * translators: This string should only be translated if wp-config-sample.php is localized. * You can check the localized release package or * https://i18n.svn.wordpress.org/<locale code>/branches/<wp version>/dist/wp-config-sample.php / $duplicated_keys[ __( 'put your unique phrase here' ) ] = true; } / * Determine which options to prime. * * If the salt keys are undefined, use a duplicate value or the * default `put your unique phrase here` value the salt will be * generated via `wp_generate_password()` and stored as a site * option. These options will be primed to avoid repeated * database requests for undefined salts. / $options_to_prime = array(); foreach ( array( 'auth', 'secure_auth', 'logged_in', 'nonce' ) as $key ) { foreach ( array( 'key', 'salt' ) as $second ) { $const = strtoupper( "{$key}_{$second}" ); if ( ! defined( $const ) \|\| true === $duplicated_keys[ constant( $const ) ] ) { $options_to_prime[] = "{$key}_{$second}"; } } } if ( ! empty( $options_to_prime ) ) { / * Also prime `secret_key` used for undefined salting schemes. * * If the scheme is unknown, the default value for `secret_key` will be * used too for the salt. This should rarely happen, so the option is only * primed if other salts are undefined. * * At this point of execution it is known that a database call will be made * to prime salts, so the `secret_key` option can be primed regardless of the * constants status. / $options_to_prime[] = 'secret_key'; wp_prime_site_option_caches( $options_to_prime ); } $values = array( 'key' => '', 'salt' => '', ); if ( defined( 'SECRET_KEY' ) && SECRET_KEY && empty( $duplicated_keys[ SECRET_KEY ] ) ) { $values['key'] = SECRET_KEY; } if ( 'auth' === $scheme && defined( 'SECRET_SALT' ) && SECRET_SALT && empty( $duplicated_keys[ SECRET_SALT ] ) ) { $values['salt'] = SECRET_SALT; } if ( in_array( $scheme, array( 'auth', 'secure_auth', 'logged_in', 'nonce' ), true ) ) { foreach ( array( 'key', 'salt' ) as $type ) { $const = strtoupper( "{$scheme}_{$type}" ); if ( defined( $const ) && constant( $const ) && empty( $duplicated_keys[ constant( $const ) ] ) ) { $values[ $type ] = constant( $const ); } elseif ( ! $values[ $type ] ) { $values[ $type ] = get_site_option( "{$scheme}_{$type}" ); if ( ! $values[ $type ] ) { $values[ $type ] = wp_generate_password( 64, true, true ); update_site_option( "{$scheme}_{$type}", $values[ $type ] ); } } } } else { if ( ! $values['key'] ) { $values['key'] = get_site_option( 'secret_key' ); if ( ! $values['key'] ) { $values['key'] = wp_generate_password( 64, true, true ); update_site_option( 'secret_key', $values['key'] ); } } $values['salt'] = hash_hmac( 'md5', $scheme, $values['key'] ); } $cached_salts[ $scheme ] = $values['key'] . $values['salt']; /* This filter is documented in wp-includes/pluggable.php / return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme ); } endif; if ( ! function_exists( 'wp_hash' ) ) : /* * Gets the hash of the given string. * * The default algorithm is md5 but can be changed to any algorithm supported by * `hash_hmac()`. Use the `hash_hmac_algos()` function to check the supported * algorithms. * * @since 2.0.3 * @since 6.8.0 The `$algo` parameter was added. * * @throws InvalidArgumentException if the hashing algorithm is not supported. * * @param string $data Plain text to hash. * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce). * @param string $algo Hashing algorithm to use. Default: 'md5'. * @return string Hash of $data. / function wp_hash( $data, $scheme = 'auth', $algo = 'md5' ) { $salt = wp_salt( $scheme ); // Ensure the algorithm is supported by the hash_hmac function. if ( ! in_array( $algo, hash_hmac_algos(), true ) ) { throw new InvalidArgumentException( sprintf( / translators: 1: Name of a cryptographic hash algorithm. 2: List of supported algorithms. / __( 'Unsupported hashing algorithm: %1$s. Supported algorithms are: %2$s' ), $algo, implode( ', ', hash_hmac_algos() ) ) ); } return hash_hmac( $algo, $data, $salt ); } endif; if ( ! function_exists( 'wp_hash_password' ) ) : /* * Creates a hash of a plain text password. * * For integration with other applications, this function can be overwritten to * instead use the other package password hashing algorithm. * * @since 2.5.0 * @since 6.8.0 The password is now hashed using bcrypt by default instead of phpass. * * @global PasswordHash $wp_hasher phpass object. * * @param string $password Plain text user password to hash. * @return string The hash string of the password. / function wp_hash_password( #[\SensitiveParameter] $password ) { global $wp_hasher; if ( ! empty( $wp_hasher ) ) { return $wp_hasher->HashPassword( trim( $password ) ); } if ( strlen( $password ) > 4096 ) { return ''; } /** * Filters the hashing algorithm to use in the password_hash() and password_needs_rehash() functions. * * The default is the value of the `PASSWORD_BCRYPT` constant which means bcrypt is used. * * Important: The only password hashing algorithm that is guaranteed to be available across PHP * installations is bcrypt. If you use any other algorithm you must make sure that it is available on * the server. The `password_algos()` function can be used to check which hashing algorithms are available. * * The hashing options can be controlled via the {@see 'wp_hash_password_options'} filter. * * Other available constants include: * * - `PASSWORD_ARGON2I` * - `PASSWORD_ARGON2ID` * - `PASSWORD_DEFAULT` * * @since 6.8.0 * * @param string $algorithm The hashing algorithm. Default is the value of the `PASSWORD_BCRYPT` constant. / $algorithm = apply_filters( 'wp_hash_password_algorithm', PASSWORD_BCRYPT ); /* * Filters the options passed to the password_hash() and password_needs_rehash() functions. * * The default hashing algorithm is bcrypt, but this can be changed via the {@see 'wp_hash_password_algorithm'} * filter. You must ensure that the options are appropriate for the algorithm in use. * * @since 6.8.0 * * @param array $options Array of options to pass to the password hashing functions. * By default this is an empty array which means the default * options will be used. * @param string $algorithm The hashing algorithm in use. / $options = apply_filters( 'wp_hash_password_options', array(), $algorithm ); // Algorithms other than bcrypt don't need to use pre-hashing. if ( PASSWORD_BCRYPT !== $algorithm ) { return password_hash( $password, $algorithm, $options ); } // Use SHA-384 to retain entropy from a password that's longer than 72 bytes, and a `wp-sha384` key for domain separation. $password_to_hash = base64_encode( hash_hmac( 'sha384', trim( $password ), 'wp-sha384', true ) ); // Add a prefix to facilitate distinguishing vanilla bcrypt hashes. return '$wp' . password_hash( $password_to_hash, $algorithm, $options ); } endif; if ( ! function_exists( 'wp_check_password' ) ) : /* * Checks a plaintext password against a hashed password. * * Note that this function may be used to check a value that is not a user password. * A plugin may use this function to check a password of a different type, and there * may not always be a user ID associated with the password. * * For integration with other applications, this function can be overwritten to * instead use the other package password hashing algorithm. * * @since 2.5.0 * @since 6.8.0 Passwords in WordPress are now hashed with bcrypt by default. A * password that wasn't hashed with bcrypt will be checked with phpass. * * @global PasswordHash $wp_hasher phpass object. Used as a fallback for verifying * passwords that were hashed with phpass. * * @param string $password Plaintext password. * @param string $hash Hash of the password to check against. * @param string\|int $user_id Optional. ID of a user associated with the password. * @return bool False, if the $password does not match the hashed password. / function wp_check_password( #[\SensitiveParameter] $password, $hash, $user_id = '' ) { global $wp_hasher; if ( strlen( $hash ) <= 32 ) { // Check the hash using md5 regardless of the current hashing mechanism. $check = hash_equals( $hash, md5( $password ) ); } elseif ( ! empty( $wp_hasher ) ) { // Check the password using the overridden hasher. $check = $wp_hasher->CheckPassword( $password, $hash ); } elseif ( strlen( $password ) > 4096 ) { // Passwords longer than 4096 characters are not supported. $check = false; } elseif ( str_starts_with( $hash, '$wp' ) ) { // Check the password using the current prefixed hash. $password_to_verify = base64_encode( hash_hmac( 'sha384', $password, 'wp-sha384', true ) ); $check = password_verify( $password_to_verify, substr( $hash, 3 ) ); } elseif ( str_starts_with( $hash, '$P$' ) ) { // Check the password using phpass. require_once ABSPATH . WPINC . '/class-phpass.php'; $check = ( new PasswordHash( 8, true ) )->CheckPassword( $password, $hash ); } else { // Check the password using compat support for any non-prefixed hash. $check = password_verify( $password, $hash ); } /* * Filters whether the plaintext password matches the hashed password. * * @since 2.5.0 * @since 6.8.0 Passwords are now hashed with bcrypt by default. * Old passwords may still be hashed with phpass or md5. * * @param bool $check Whether the passwords match. * @param string $password The plaintext password. * @param string $hash The hashed password. * @param string\|int $user_id Optional ID of a user associated with the password. * Can be empty. / return apply_filters( 'check_password', $check, $password, $hash, $user_id ); } endif; if ( ! function_exists( 'wp_password_needs_rehash' ) ) : /* * Checks whether a password hash needs to be rehashed. * * Passwords are hashed with bcrypt using the default cost. A password hashed in a prior version * of WordPress may still be hashed with phpass and will need to be rehashed. If the default cost * or algorithm is changed in PHP or WordPress then a password hashed in a previous version will * need to be rehashed. * * Note that, just like wp_check_password(), this function may be used to check a value that is * not a user password. A plugin may use this function to check a password of a different type, * and there may not always be a user ID associated with the password. * * @since 6.8.0 * * @global PasswordHash $wp_hasher phpass object. * * @param string $hash Hash of a password to check. * @param string\|int $user_id Optional. ID of a user associated with the password. * @return bool Whether the hash needs to be rehashed. / function wp_password_needs_rehash( $hash, $user_id = '' ) { global $wp_hasher; if ( ! empty( $wp_hasher ) ) { return false; } /* This filter is documented in wp-includes/pluggable.php / $algorithm = apply_filters( 'wp_hash_password_algorithm', PASSWORD_BCRYPT ); /* This filter is documented in wp-includes/pluggable.php / $options = apply_filters( 'wp_hash_password_options', array(), $algorithm ); $prefixed = str_starts_with( $hash, '$wp' ); if ( ( PASSWORD_BCRYPT === $algorithm ) && ! $prefixed ) { // If bcrypt is in use and the hash is not prefixed then it needs to be rehashed. $needs_rehash = true; } else { // Otherwise check the hash minus its prefix if necessary. $hash_to_check = $prefixed ? substr( $hash, 3 ) : $hash; $needs_rehash = password_needs_rehash( $hash_to_check, $algorithm, $options ); } /* * Filters whether the password hash needs to be rehashed. * * @since 6.8.0 * * @param bool $needs_rehash Whether the password hash needs to be rehashed. * @param string $hash The password hash. * @param string\|int $user_id Optional. ID of a user associated with the password. / return apply_filters( 'password_needs_rehash', $needs_rehash, $hash, $user_id ); } endif; if ( ! function_exists( 'wp_generate_password' ) ) : /* * Generates a random password drawn from the defined set of characters. * * Uses wp_rand() to create passwords with far less predictability * than similar native PHP functions like `rand()` or `mt_rand()`. * * @since 2.5.0 * * @param int $length Optional. The length of password to generate. Default 12. * @param bool $special_chars Optional. Whether to include standard special characters. * Default true. * @param bool $extra_special_chars Optional. Whether to include other special characters. * Used when generating secret keys and salts. Default false. * @return string The random password. / function wp_generate_password( $length = 12, $special_chars = true, $extra_special_chars = false ) { $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; if ( $special_chars ) { $chars .= '!@#$%^&()'; } if ( $extra_special_chars ) { $chars .= '-_ []{}<>~`+=,.;:/?\|'; } $password = ''; for ( $i = 0; $i < $length; $i++ ) { $password .= substr( $chars, wp_rand( 0, strlen( $chars ) - 1 ), 1 ); } /** * Filters the randomly-generated password. * * @since 3.0.0 * @since 5.3.0 Added the `$length`, `$special_chars`, and `$extra_special_chars` parameters. * * @param string $password The generated password. * @param int $length The length of password to generate. * @param bool $special_chars Whether to include standard special characters. * @param bool $extra_special_chars Whether to include other special characters. / return apply_filters( 'random_password', $password, $length, $special_chars, $extra_special_chars ); } endif; if ( ! function_exists( 'wp_rand' ) ) : /* * Generates a random non-negative number. * * @since 2.6.2 * @since 4.4.0 Uses PHP7 random_int() or the random_compat library if available. * @since 6.1.0 Returns zero instead of a random number if both `$min` and `$max` are zero. * * @global string $rnd_value * * @param int $min Optional. Lower limit for the generated number. * Accepts positive integers or zero. Defaults to 0. * @param int $max Optional. Upper limit for the generated number. * Accepts positive integers. Defaults to 4294967295. * @return int A random non-negative number between min and max. / function wp_rand( $min = null, $max = null ) { global $rnd_value; / * Some misconfigured 32-bit environments (Entropy PHP, for example) * truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats. / $max_random_number = 3000000000 === 2147483647 ? (float) '4294967295' : 4294967295; // 4294967295 = 0xffffffff if ( null === $min ) { $min = 0; } if ( null === $max ) { $max = $max_random_number; } // We only handle ints, floats are truncated to their integer value. $min = (int) $min; $max = (int) $max; // Use PHP's CSPRNG, or a compatible method. static $use_random_int_functionality = true; if ( $use_random_int_functionality ) { try { // wp_rand() can accept arguments in either order, PHP cannot. $_max = max( $min, $max ); $_min = min( $min, $max ); $val = random_int( $_min, $_max ); if ( false !== $val ) { return absint( $val ); } else { $use_random_int_functionality = false; } } catch ( Error $e ) { $use_random_int_functionality = false; } catch ( Exception $e ) { $use_random_int_functionality = false; } } / * Reset $rnd_value after 14 uses. * 32 (md5) + 40 (sha1) + 40 (sha1) / 8 = 14 random numbers from $rnd_value. / if ( strlen( $rnd_value ) < 8 ) { if ( defined( 'WP_SETUP_CONFIG' ) ) { static $seed = ''; } else { $seed = get_transient( 'random_seed' ); } $rnd_value = md5( uniqid( microtime() . mt_rand(), true ) . $seed ); $rnd_value .= sha1( $rnd_value ); $rnd_value .= sha1( $rnd_value . $seed ); $seed = md5( $seed . $rnd_value ); if ( ! defined( 'WP_SETUP_CONFIG' ) && ! defined( 'WP_INSTALLING' ) ) { set_transient( 'random_seed', $seed ); } } // Take the first 8 digits for our value. $value = substr( $rnd_value, 0, 8 ); // Strip the first eight, leaving the remainder for the next call to wp_rand(). $rnd_value = substr( $rnd_value, 8 ); $value = abs( hexdec( $value ) ); // Reduce the value to be within the min - max range. $value = $min + ( $max - $min + 1 ) $value / ( $max_random_number + 1 ); return abs( (int) $value ); } endif; if ( ! function_exists( 'wp_set_password' ) ) : /** * Updates the user's password with a new hashed one. * * For integration with other applications, this function can be overwritten to * instead use the other package password checking algorithm. * * Please note: This function should be used sparingly and is really only meant for single-time * application. Leveraging this improperly in a plugin or theme could result in an endless loop * of password resets if precautions are not taken to ensure it does not execute on every page load. * * @since 2.5.0 * @since 6.8.0 The password is now hashed using bcrypt by default instead of phpass. * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $password The plaintext new user password. * @param int $user_id User ID. / function wp_set_password( #[\SensitiveParameter] $password, $user_id ) { global $wpdb; $old_user_data = get_userdata( $user_id ); $hash = wp_hash_password( $password ); $wpdb->update( $wpdb->users, array( 'user_pass' => $hash, 'user_activation_key' => '', ), array( 'ID' => $user_id ) ); clean_user_cache( $user_id ); /* * Fires after the user password is set. * * @since 6.2.0 * @since 6.7.0 The `$old_user_data` parameter was added. * * @param string $password The plaintext password just set. * @param int $user_id The ID of the user whose password was just set. * @param WP_User $old_user_data Object containing user's data prior to update. / do_action( 'wp_set_password', $password, $user_id, $old_user_data ); } endif; if ( ! function_exists( 'get_avatar' ) ) : /* * Retrieves the avatar `<img>` tag for a user, email address, MD5 hash, comment, or post. * * @since 2.5.0 * @since 4.2.0 Added the optional `$args` parameter. * @since 5.5.0 Added the `loading` argument. * @since 6.1.0 Added the `decoding` argument. * @since 6.3.0 Added the `fetchpriority` argument. * * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. * @param int $size Optional. Height and width of the avatar in pixels. Default 96. * @param string $default_value URL for the default image or a default type. Accepts: * - '404' (return a 404 instead of a default image) * - 'retro' (a 8-bit arcade-style pixelated face) * - 'robohash' (a robot) * - 'monsterid' (a monster) * - 'wavatar' (a cartoon face) * - 'identicon' (the "quilt", a geometric pattern) * - 'mystery', 'mm', or 'mysteryman' (The Oyster Man) * - 'blank' (transparent GIF) * - 'gravatar_default' (the Gravatar logo) * Default is the value of the 'avatar_default' option, * with a fallback of 'mystery'. * @param string $alt Optional. Alternative text to use in the avatar image tag. * Default empty. * @param array $args { * Optional. Extra arguments to retrieve the avatar. * * @type int $height Display height of the avatar in pixels. Defaults to $size. * @type int $width Display width of the avatar in pixels. Defaults to $size. * @type bool $force_default Whether to always show the default image, never the Gravatar. * Default false. * @type string $rating What rating to display avatars up to. Accepts: * - 'G' (suitable for all audiences) * - 'PG' (possibly offensive, usually for audiences 13 and above) * - 'R' (intended for adult audiences above 17) * - 'X' (even more mature than above) * Default is the value of the 'avatar_rating' option. * @type string $scheme URL scheme to use. See set_url_scheme() for accepted values. * Default null. * @type array\|string $class Array or string of additional classes to add to the img element. * Default null. * @type bool $force_display Whether to always show the avatar - ignores the show_avatars option. * Default false. * @type string $loading Value for the `loading` attribute. * Default null. * @type string $fetchpriority Value for the `fetchpriority` attribute. * Default null. * @type string $decoding Value for the `decoding` attribute. * Default null. * @type string $extra_attr HTML attributes to insert in the IMG element. Is not sanitized. * Default empty. * } * @return string\|false `<img>` tag for the user's avatar. False on failure. / function get_avatar( $id_or_email, $size = 96, $default_value = '', $alt = '', $args = null ) { $defaults = array( // get_avatar_data() args. 'size' => 96, 'height' => null, 'width' => null, 'default' => get_option( 'avatar_default', 'mystery' ), 'force_default' => false, 'rating' => get_option( 'avatar_rating' ), 'scheme' => null, 'alt' => '', 'class' => null, 'force_display' => false, 'loading' => null, 'fetchpriority' => null, 'decoding' => null, 'extra_attr' => '', ); if ( empty( $args ) ) { $args = array(); } $args['size'] = (int) $size; $args['default'] = $default_value; $args['alt'] = $alt; $args = wp_parse_args( $args, $defaults ); if ( empty( $args['height'] ) ) { $args['height'] = $args['size']; } if ( empty( $args['width'] ) ) { $args['width'] = $args['size']; } // Update args with loading optimized attributes. $loading_optimization_attr = wp_get_loading_optimization_attributes( 'img', $args, 'get_avatar' ); $args = array_merge( $args, $loading_optimization_attr ); if ( is_object( $id_or_email ) && isset( $id_or_email->comment_ID ) ) { $id_or_email = get_comment( $id_or_email ); } /* * Allows the HTML for a user's avatar to be returned early. * * Returning a non-null value will effectively short-circuit get_avatar(), passing * the value through the {@see 'get_avatar'} filter and returning early. * * @since 4.2.0 * * @param string\|null $avatar HTML for the user's avatar. Default null. * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. * @param array $args Arguments passed to get_avatar_url(), after processing. / $avatar = apply_filters( 'pre_get_avatar', null, $id_or_email, $args ); if ( ! is_null( $avatar ) ) { /* This filter is documented in wp-includes/pluggable.php / return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args ); } if ( ! $args['force_display'] && ! get_option( 'show_avatars' ) ) { return false; } $url2x = get_avatar_url( $id_or_email, array_merge( $args, array( 'size' => $args['size'] 2 ) ) ); $args = get_avatar_data( $id_or_email, $args ); $url = $args['url']; if ( ! $url \|\| is_wp_error( $url ) ) { return false; } $class = array( 'avatar', 'avatar-' . (int) $args['size'], 'photo' ); if ( ! $args['found_avatar'] \|\| $args['force_default'] ) { $class[] = 'avatar-default'; } if ( $args['class'] ) { if ( is_array( $args['class'] ) ) { $class = array_merge( $class, $args['class'] ); } else { $class[] = $args['class']; } } // Add `loading`, `fetchpriority`, and `decoding` attributes. $extra_attr = $args['extra_attr']; if ( in_array( $args['loading'], array( 'lazy', 'eager' ), true ) && ! preg_match( '/\bloading\s=/', $extra_attr ) ) { if ( ! empty( $extra_attr ) ) { $extra_attr .= ' '; } $extra_attr .= "loading='{$args['loading']}'"; } if ( in_array( $args['fetchpriority'], array( 'high', 'low', 'auto' ), true ) && ! preg_match( '/\bfetchpriority\s=/', $extra_attr ) ) { if ( ! empty( $extra_attr ) ) { $extra_attr .= ' '; } $extra_attr .= "fetchpriority='{$args['fetchpriority']}'"; } if ( in_array( $args['decoding'], array( 'async', 'sync', 'auto' ), true ) && ! preg_match( '/\bdecoding\s=/', $extra_attr ) ) { if ( ! empty( $extra_attr ) ) { $extra_attr .= ' '; } $extra_attr .= "decoding='{$args['decoding']}'"; } $avatar = sprintf( "<img alt='%s' src='%s' srcset='%s' class='%s' height='%d' width='%d' %s/>", esc_attr( $args['alt'] ), esc_url( $url ), esc_url( $url2x ) . ' 2x', esc_attr( implode( ' ', $class ) ), (int) $args['height'], (int) $args['width'], $extra_attr ); /* * Filters the HTML for a user's avatar. * * @since 2.5.0 * @since 4.2.0 Added the `$args` parameter. * * @param string $avatar HTML for the user's avatar. * @param mixed $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash, * user email, WP_User object, WP_Post object, or WP_Comment object. * @param int $size Height and width of the avatar in pixels. * @param string $default_value URL for the default image or a default type. Accepts: * - '404' (return a 404 instead of a default image) * - 'retro' (a 8-bit arcade-style pixelated face) * - 'robohash' (a robot) * - 'monsterid' (a monster) * - 'wavatar' (a cartoon face) * - 'identicon' (the "quilt", a geometric pattern) * - 'mystery', 'mm', or 'mysteryman' (The Oyster Man) * - 'blank' (transparent GIF) * - 'gravatar_default' (the Gravatar logo) * @param string $alt Alternative text to use in the avatar image tag. * @param array $args Arguments passed to get_avatar_data(), after processing. / return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args ); } endif; if ( ! function_exists( 'wp_text_diff' ) ) : /* * Displays a human readable HTML representation of the difference between two strings. * * The Diff is available for getting the changes between versions. The output is * HTML, so the primary use is for displaying the changes. If the two strings * are equivalent, then an empty string will be returned. * * @since 2.6.0 * * @see wp_parse_args() Used to change defaults to user defined settings. * @uses Text_Diff * @uses WP_Text_Diff_Renderer_Table * * @param string $left_string "old" (left) version of string. * @param string $right_string "new" (right) version of string. * @param string\|array $args { * Associative array of options to pass to WP_Text_Diff_Renderer_Table(). * * @type string $title Titles the diff in a manner compatible * with the output. Default empty. * @type string $title_left Change the HTML to the left of the title. * Default empty. * @type string $title_right Change the HTML to the right of the title. * Default empty. * @type bool $show_split_view True for split view (two columns), false for * un-split view (single column). Default true. * } * @return string Empty string if strings are equivalent or HTML with differences. */ function wp_text_diff( $left_string, $right_string, $args = null ) { $defaults = array( 'title' => '', 'title_left' => '', 'title_right' => '', 'show_split_view' => true, ); $args = wp_parse_args( $args, $defaults ); if ( ! class_exists( 'WP_Text_Diff_Renderer_Table', false ) ) { require ABSPATH . WPINC . '/wp-diff.php'; } $left_string = normalize_whitespace( $left_string ); $right_string = normalize_whitespace( $right_string ); $left_lines = explode( "\n", $left_string ); $right_lines = explode( "\n", $right_string ); $text_diff = new Text_Diff( $left_lines, $right_lines ); $renderer = new WP_Text_Diff_Renderer_Table( $args ); $diff = $renderer->render( $text_diff ); if ( ! $diff ) { return ''; } $is_split_view = ! empty( $args['show_split_view'] ); $is_split_view_class = $is_split_view ? ' is-split-view' : ''; $r = "<table class='diff$is_split_view_class'>\n"; if ( $args['title'] ) { $r .= "<caption class='diff-title'>$args[title]</caption>\n"; } if ( $args['title_left'] \|\| $args['title_right'] ) { $r .= '<thead>'; } if ( $args['title_left'] \|\| $args['title_right'] ) { $th_or_td_left = empty( $args['title_left'] ) ? 'td' : 'th'; $th_or_td_right = empty( $args['title_right'] ) ? 'td' : 'th'; $r .= "<tr class='diff-sub-title'>\n"; $r .= "\t<$th_or_td_left>$args[title_left]</$th_or_td_left>\n"; if ( $is_split_view ) { $r .= "\t<$th_or_td_right>$args[title_right]</$th_or_td_right>\n"; } $r .= "</tr>\n"; } if ( $args['title_left'] \|\| $args['title_right'] ) { $r .= "</thead>\n"; } $r .= "<tbody>\n$diff\n</tbody>\n"; $r .= '</table>'; return $r; } endif; Back

Edit File : pluggable.php | Size : 119.82 KB

<?php
/**
 * These functions can be replaced via plugins. If plugins do not redefine these
 * functions, then these will be used instead.
 *
 * @package WordPress
 */

if ( ! function_exists( 'wp_set_current_user' ) ) :
	/**
	 * Changes the current user by ID or name.
	 *
	 * Set $id to null and specify a name if you do not know a user's ID.
	 *
	 * Some WordPress functionality is based on the current user and not based on
	 * the signed in user. Therefore, it opens the ability to edit and perform
	 * actions on users who aren't signed in.
	 *
	 * @since 2.0.3
	 *
	 * @global WP_User $current_user The current user object which holds the user data.
	 *
	 * @param int|null $id   User ID.
	 * @param string   $name User's username.
	 * @return WP_User Current user User object.
	 */
	function wp_set_current_user( $id, $name = '' ) {
		global $current_user;

// If `$id` matches the current user, there is nothing to do.
		if ( isset( $current_user )
		&& ( $current_user instanceof WP_User )
		&& ( $id === $current_user->ID )
		&& ( null !== $id )
		) {
			return $current_user;
		}

$current_user = new WP_User( $id, $name );

setup_userdata( $current_user->ID );

/**
		 * Fires after the current user is set.
		 *
		 * @since 2.0.1
		 */
		do_action( 'set_current_user' );

return $current_user;
	}
endif;

if ( ! function_exists( 'wp_get_current_user' ) ) :
	/**
	 * Retrieves the current user object.
	 *
	 * Will set the current user, if the current user is not set. The current user
	 * will be set to the logged-in person. If no user is logged-in, then it will
	 * set the current user to 0, which is invalid and won't have any permissions.
	 *
	 * @since 2.0.3
	 *
	 * @see _wp_get_current_user()
	 * @global WP_User $current_user Checks if the current user is set.
	 *
	 * @return WP_User Current WP_User instance.
	 */
	function wp_get_current_user() {
		return _wp_get_current_user();
	}
endif;

if ( ! function_exists( 'get_userdata' ) ) :
	/**
	 * Retrieves user info by user ID.
	 *
	 * @since 0.71
	 *
	 * @param int $user_id User ID
	 * @return WP_User|false WP_User object on success, false on failure.
	 */
	function get_userdata( $user_id ) {
		return get_user_by( 'id', $user_id );
	}
endif;

if ( ! function_exists( 'get_user_by' ) ) :
	/**
	 * Retrieves user info by a given field.
	 *
	 * @since 2.8.0
	 * @since 4.4.0 Added 'ID' as an alias of 'id' for the `$field` parameter.
	 *
	 * @global WP_User $current_user The current user object which holds the user data.
	 *
	 * @param string     $field The field to retrieve the user with. id | ID | slug | email | login.
	 * @param int|string $value A value for $field. A user ID, slug, email address, or login name.
	 * @return WP_User|false WP_User object on success, false on failure.
	 */
	function get_user_by( $field, $value ) {
		$userdata = WP_User::get_data_by( $field, $value );

if ( ! $userdata ) {
			return false;
		}

$user = new WP_User();
		$user->init( $userdata );

return $user;
	}
endif;

if ( ! function_exists( 'cache_users' ) ) :
	/**
	 * Retrieves info for user lists to prevent multiple queries by get_userdata().
	 *
	 * @since 3.0.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param int[] $user_ids User ID numbers list
	 */
	function cache_users( $user_ids ) {
		global $wpdb;

update_meta_cache( 'user', $user_ids );

$clean = _get_non_cached_ids( $user_ids, 'users' );

if ( empty( $clean ) ) {
			return;
		}

$list = implode( ',', $clean );

$users = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($list)" );

foreach ( $users as $user ) {
			update_user_caches( $user );
		}
	}
endif;

if ( ! function_exists( 'wp_mail' ) ) :
	/**
	 * Sends an email, similar to PHP's mail function.
	 *
	 * A true return value does not automatically mean that the user received the
	 * email successfully. It just only means that the method used was able to
	 * process the request without any errors.
	 *
	 * The default content type is `text/plain` which does not allow using HTML.
	 * However, you can set the content type of the email by using the
	 * {@see 'wp_mail_content_type'} filter.
	 *
	 * The default charset is based on the charset used on the blog. The charset can
	 * be set using the {@see 'wp_mail_charset'} filter.
	 *
	 * @since 1.2.1
	 * @since 5.5.0 is_email() is used for email validation,
	 *              instead of PHPMailer's default validator.
	 *
	 * @global PHPMailer\PHPMailer\PHPMailer $phpmailer
	 *
	 * @param string|string[] $to          Array or comma-separated list of email addresses to send message.
	 * @param string          $subject     Email subject.
	 * @param string          $message     Message contents.
	 * @param string|string[] $headers     Optional. Additional headers.
	 * @param string|string[] $attachments Optional. Paths to files to attach.
	 * @return bool Whether the email was sent successfully.
	 */
	function wp_mail( $to, $subject, $message, $headers = '', $attachments = array() ) {
		// Compact the input, apply the filters, and extract them back out.

/**
		 * Filters the wp_mail() arguments.
		 *
		 * @since 2.2.0
		 *
		 * @param array $args {
		 *     Array of the `wp_mail()` arguments.
		 *
		 *     @type string|string[] $to          Array or comma-separated list of email addresses to send message.
		 *     @type string          $subject     Email subject.
		 *     @type string          $message     Message contents.
		 *     @type string|string[] $headers     Additional headers.
		 *     @type string|string[] $attachments Paths to files to attach.
		 * }
		 */
		$atts = apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) );

/**
		 * Filters whether to preempt sending an email.
		 *
		 * Returning a non-null value will short-circuit {@see wp_mail()}, returning
		 * that value instead. A boolean return value should be used to indicate whether
		 * the email was successfully sent.
		 *
		 * @since 5.7.0
		 *
		 * @param null|bool $return Short-circuit return value.
		 * @param array     $atts {
		 *     Array of the `wp_mail()` arguments.
		 *
		 *     @type string|string[] $to          Array or comma-separated list of email addresses to send message.
		 *     @type string          $subject     Email subject.
		 *     @type string          $message     Message contents.
		 *     @type string|string[] $headers     Additional headers.
		 *     @type string|string[] $attachments Paths to files to attach.
		 * }
		 */
		$pre_wp_mail = apply_filters( 'pre_wp_mail', null, $atts );

if ( null !== $pre_wp_mail ) {
			return $pre_wp_mail;
		}

if ( isset( $atts['to'] ) ) {
			$to = $atts['to'];
		}

if ( ! is_array( $to ) ) {
			$to = explode( ',', $to );
		}

if ( isset( $atts['subject'] ) ) {
			$subject = $atts['subject'];
		}

if ( isset( $atts['message'] ) ) {
			$message = $atts['message'];
		}

if ( isset( $atts['headers'] ) ) {
			$headers = $atts['headers'];
		}

if ( isset( $atts['attachments'] ) ) {
			$attachments = $atts['attachments'];
		}

if ( ! is_array( $attachments ) ) {
			$attachments = explode( "\n", str_replace( "\r\n", "\n", $attachments ) );
		}
		global $phpmailer;

// (Re)create it, if it's gone missing.
		if ( ! ( $phpmailer instanceof PHPMailer\PHPMailer\PHPMailer ) ) {
			require_once ABSPATH . WPINC . '/PHPMailer/PHPMailer.php';
			require_once ABSPATH . WPINC . '/PHPMailer/SMTP.php';
			require_once ABSPATH . WPINC . '/PHPMailer/Exception.php';
			require_once ABSPATH . WPINC . '/class-wp-phpmailer.php';
			$phpmailer = new WP_PHPMailer( true );

$phpmailer::$validator = static function ( $email ) {
				return (bool) is_email( $email );
			};
		}

// Headers.
		$cc       = array();
		$bcc      = array();
		$reply_to = array();

if ( empty( $headers ) ) {
			$headers = array();
		} else {
			if ( ! is_array( $headers ) ) {
				/*
				 * Explode the headers out, so this function can take
				 * both string headers and an array of headers.
				 */
				$tempheaders = explode( "\n", str_replace( "\r\n", "\n", $headers ) );
			} else {
				$tempheaders = $headers;
			}
			$headers = array();

// If it's actually got contents.
			if ( ! empty( $tempheaders ) ) {
				// Iterate through the raw headers.
				foreach ( (array) $tempheaders as $header ) {
					if ( ! str_contains( $header, ':' ) ) {
						if ( false !== stripos( $header, 'boundary=' ) ) {
							$parts    = preg_split( '/boundary=/i', trim( $header ) );
							$boundary = trim( str_replace( array( "'", '"' ), '', $parts[1] ) );
						}
						continue;
					}
					// Explode them out.
					list( $name, $content ) = explode( ':', trim( $header ), 2 );

// Cleanup crew.
					$name    = trim( $name );
					$content = trim( $content );

switch ( strtolower( $name ) ) {
						// Mainly for legacy -- process a "From:" header if it's there.
						case 'from':
							$bracket_pos = strpos( $content, '<' );
							if ( false !== $bracket_pos ) {
								// Text before the bracketed email is the "From" name.
								if ( $bracket_pos > 0 ) {
									$from_name = substr( $content, 0, $bracket_pos );
									$from_name = str_replace( '"', '', $from_name );
									$from_name = trim( $from_name );
								}

$from_email = substr( $content, $bracket_pos + 1 );
								$from_email = str_replace( '>', '', $from_email );
								$from_email = trim( $from_email );

// Avoid setting an empty $from_email.
							} elseif ( '' !== trim( $content ) ) {
								$from_email = trim( $content );
							}
							break;
						case 'content-type':
							if ( str_contains( $content, ';' ) ) {
								list( $type, $charset_content ) = explode( ';', $content );
								$content_type                   = trim( $type );
								if ( false !== stripos( $charset_content, 'charset=' ) ) {
									$charset = trim( str_replace( array( 'charset=', '"' ), '', $charset_content ) );
								} elseif ( false !== stripos( $charset_content, 'boundary=' ) ) {
									$boundary = trim( str_replace( array( 'BOUNDARY=', 'boundary=', '"' ), '', $charset_content ) );
									$charset  = '';
								}

// Avoid setting an empty $content_type.
							} elseif ( '' !== trim( $content ) ) {
								$content_type = trim( $content );
							}
							break;
						case 'cc':
							$cc = array_merge( (array) $cc, explode( ',', $content ) );
							break;
						case 'bcc':
							$bcc = array_merge( (array) $bcc, explode( ',', $content ) );
							break;
						case 'reply-to':
							$reply_to = array_merge( (array) $reply_to, explode( ',', $content ) );
							break;
						default:
							// Add it to our grand headers array.
							$headers[ trim( $name ) ] = trim( $content );
							break;
					}
				}
			}
		}

// Empty out the values that may be set.
		$phpmailer->clearAllRecipients();
		$phpmailer->clearAttachments();
		$phpmailer->clearCustomHeaders();
		$phpmailer->clearReplyTos();
		$phpmailer->Body    = '';
		$phpmailer->AltBody = '';

// Set "From" name and email.

// If we don't have a name from the input headers.
		if ( ! isset( $from_name ) ) {
			$from_name = 'WordPress';
		}

/*
		 * If we don't have an email from the input headers, default to wordpress@$sitename
		 * Some hosts will block outgoing mail from this address if it doesn't exist,
		 * but there's no easy alternative. Defaulting to admin_email might appear to be
		 * another option, but some hosts may refuse to relay mail from an unknown domain.
		 * See https://core.trac.wordpress.org/ticket/5007.
		 */
		if ( ! isset( $from_email ) ) {
			// Get the site domain and get rid of www.
			$sitename   = wp_parse_url( network_home_url(), PHP_URL_HOST );
			$from_email = 'wordpress@';

if ( null !== $sitename ) {
				if ( str_starts_with( $sitename, 'www.' ) ) {
					$sitename = substr( $sitename, 4 );
				}

$from_email .= $sitename;
			}
		}

/**
		 * Filters the email address to send from.
		 *
		 * @since 2.2.0
		 *
		 * @param string $from_email Email address to send from.
		 */
		$from_email = apply_filters( 'wp_mail_from', $from_email );

/**
		 * Filters the name to associate with the "from" email address.
		 *
		 * @since 2.3.0
		 *
		 * @param string $from_name Name associated with the "from" email address.
		 */
		$from_name = apply_filters( 'wp_mail_from_name', $from_name );

try {
			$phpmailer->setFrom( $from_email, $from_name, false );
		} catch ( PHPMailer\PHPMailer\Exception $e ) {
			$mail_error_data                             = compact( 'to', 'subject', 'message', 'headers', 'attachments' );
			$mail_error_data['phpmailer_exception_code'] = $e->getCode();

/** This filter is documented in wp-includes/pluggable.php */
			do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_error_data ) );

return false;
		}

// Set mail's subject and body.
		$phpmailer->Subject = $subject;
		$phpmailer->Body    = $message;

// Set destination addresses, using appropriate methods for handling addresses.
		$address_headers = compact( 'to', 'cc', 'bcc', 'reply_to' );

foreach ( $address_headers as $address_header => $addresses ) {
			if ( empty( $addresses ) ) {
				continue;
			}

foreach ( (array) $addresses as $address ) {
				try {
					// Break $recipient into name and address parts if in the format "Foo <bar@baz.com>".
					$recipient_name = '';

if ( preg_match( '/(.*)<(.+)>/', $address, $matches ) ) {
						if ( count( $matches ) === 3 ) {
							$recipient_name = $matches[1];
							$address        = $matches[2];
						}
					}

switch ( $address_header ) {
						case 'to':
							$phpmailer->addAddress( $address, $recipient_name );
							break;
						case 'cc':
							$phpmailer->addCc( $address, $recipient_name );
							break;
						case 'bcc':
							$phpmailer->addBcc( $address, $recipient_name );
							break;
						case 'reply_to':
							$phpmailer->addReplyTo( $address, $recipient_name );
							break;
					}
				} catch ( PHPMailer\PHPMailer\Exception $e ) {
					continue;
				}
			}
		}

// Set to use PHP's mail().
		$phpmailer->isMail();

// Set Content-Type and charset.

// If we don't have a Content-Type from the input headers.
		if ( ! isset( $content_type ) ) {
			$content_type = 'text/plain';
		}

/**
		 * Filters the wp_mail() content type.
		 *
		 * @since 2.3.0
		 *
		 * @param string $content_type Default wp_mail() content type.
		 */
		$content_type = apply_filters( 'wp_mail_content_type', $content_type );

$phpmailer->ContentType = $content_type;

// Set whether it's plaintext, depending on $content_type.
		if ( 'text/html' === $content_type ) {
			$phpmailer->isHTML( true );
		}

// If we don't have a charset from the input headers.
		if ( ! isset( $charset ) ) {
			$charset = get_bloginfo( 'charset' );
		}

/**
		 * Filters the default wp_mail() charset.
		 *
		 * @since 2.3.0
		 *
		 * @param string $charset Default email charset.
		 */
		$phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset );

// Set custom headers.
		if ( ! empty( $headers ) ) {
			foreach ( (array) $headers as $name => $content ) {
				// Only add custom headers not added automatically by PHPMailer.
				if ( ! in_array( $name, array( 'MIME-Version', 'X-Mailer' ), true ) ) {
					try {
						$phpmailer->addCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) );
					} catch ( PHPMailer\PHPMailer\Exception $e ) {
						continue;
					}
				}
			}

if ( false !== stripos( $content_type, 'multipart' ) && ! empty( $boundary ) ) {
				$phpmailer->addCustomHeader( sprintf( 'Content-Type: %s; boundary="%s"', $content_type, $boundary ) );
			}
		}

if ( ! empty( $attachments ) ) {
			foreach ( $attachments as $filename => $attachment ) {
				$filename = is_string( $filename ) ? $filename : '';

try {
					$phpmailer->addAttachment( $attachment, $filename );
				} catch ( PHPMailer\PHPMailer\Exception $e ) {
					continue;
				}
			}
		}

/**
		 * Fires after PHPMailer is initialized.
		 *
		 * @since 2.2.0
		 *
		 * @param PHPMailer $phpmailer The PHPMailer instance (passed by reference).
		 */
		do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) );

$mail_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' );

// Send!
		try {
			$send = $phpmailer->send();

/**
			 * Fires after PHPMailer has successfully sent an email.
			 *
			 * The firing of this action does not necessarily mean that the recipient(s) received the
			 * email successfully. It only means that the `send` method above was able to
			 * process the request without any errors.
			 *
			 * @since 5.9.0
			 *
			 * @param array $mail_data {
			 *     An array containing the email recipient(s), subject, message, headers, and attachments.
			 *
			 *     @type string[] $to          Email addresses to send message.
			 *     @type string   $subject     Email subject.
			 *     @type string   $message     Message contents.
			 *     @type string[] $headers     Additional headers.
			 *     @type string[] $attachments Paths to files to attach.
			 * }
			 */
			do_action( 'wp_mail_succeeded', $mail_data );

return $send;
		} catch ( PHPMailer\PHPMailer\Exception $e ) {
			$mail_data['phpmailer_exception_code'] = $e->getCode();

/**
			 * Fires after a PHPMailer\PHPMailer\Exception is caught.
			 *
			 * @since 4.4.0
			 *
			 * @param WP_Error $error A WP_Error object with the PHPMailer\PHPMailer\Exception message, and an array
			 *                        containing the mail recipient, subject, message, headers, and attachments.
			 */
			do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_data ) );

return false;
		}
	}
endif;

if ( ! function_exists( 'wp_authenticate' ) ) :
	/**
	 * Authenticates a user, confirming the login credentials are valid.
	 *
	 * @since 2.5.0
	 * @since 4.5.0 `$username` now accepts an email address.
	 *
	 * @param string $username User's username or email address.
	 * @param string $password User's password.
	 * @return WP_User|WP_Error WP_User object if the credentials are valid,
	 *                          otherwise WP_Error.
	 */
	function wp_authenticate(
		$username,
		#[\SensitiveParameter]
		$password
	) {
		$username = sanitize_user( $username );
		$password = trim( $password );

/**
		 * Filters whether a set of user login credentials are valid.
		 *
		 * A WP_User object is returned if the credentials authenticate a user.
		 * WP_Error or null otherwise.
		 *
		 * @since 2.8.0
		 * @since 4.5.0 `$username` now accepts an email address.
		 *
		 * @param null|WP_User|WP_Error $user     WP_User if the user is authenticated.
		 *                                        WP_Error or null otherwise.
		 * @param string                $username Username or email address.
		 * @param string                $password User password.
		 */
		$user = apply_filters( 'authenticate', null, $username, $password );

if ( null === $user || false === $user ) {
			/*
			 * TODO: What should the error message be? (Or would these even happen?)
			 * Only needed if all authentication handlers fail to return anything.
			 */
			$user = new WP_Error( 'authentication_failed', __( '<strong>Error:</strong> Invalid username, email address or incorrect password.' ) );
		}

$ignore_codes = array( 'empty_username', 'empty_password' );

if ( is_wp_error( $user ) && ! in_array( $user->get_error_code(), $ignore_codes, true ) ) {
			$error = $user;

/**
			 * Fires after a user login has failed.
			 *
			 * @since 2.5.0
			 * @since 4.5.0 The value of `$username` can now be an email address.
			 * @since 5.4.0 The `$error` parameter was added.
			 *
			 * @param string   $username Username or email address.
			 * @param WP_Error $error    A WP_Error object with the authentication failure details.
			 */
			do_action( 'wp_login_failed', $username, $error );
		}

return $user;
	}
endif;

if ( ! function_exists( 'wp_logout' ) ) :
	/**
	 * Logs the current user out.
	 *
	 * @since 2.5.0
	 */
	function wp_logout() {
		$user_id = get_current_user_id();

wp_destroy_current_session();
		wp_clear_auth_cookie();
		wp_set_current_user( 0 );

/**
		 * Fires after a user is logged out.
		 *
		 * @since 1.5.0
		 * @since 5.5.0 Added the `$user_id` parameter.
		 *
		 * @param int $user_id ID of the user that was logged out.
		 */
		do_action( 'wp_logout', $user_id );
	}
endif;

if ( ! function_exists( 'wp_validate_auth_cookie' ) ) :
	/**
	 * Validates authentication cookie.
	 *
	 * The checks include making sure that the authentication cookie is set and
	 * pulling in the contents (if $cookie is not used).
	 *
	 * Makes sure the cookie is not expired. Verifies the hash in cookie is what is
	 * should be and compares the two.
	 *
	 * @since 2.5.0
	 *
	 * @global int $login_grace_period
	 *
	 * @param string $cookie Optional. If used, will validate contents instead of cookie's.
	 * @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'.
	 *                       Note: This does *not* default to 'auth' like other cookie functions.
	 * @return int|false User ID if valid cookie, false if invalid.
	 */
	function wp_validate_auth_cookie( $cookie = '', $scheme = '' ) {
		$cookie_elements = wp_parse_auth_cookie( $cookie, $scheme );
		if ( ! $cookie_elements ) {
			/**
			 * Fires if an authentication cookie is malformed.
			 *
			 * @since 2.7.0
			 *
			 * @param string $cookie Malformed auth cookie.
			 * @param string $scheme Authentication scheme. Values include 'auth', 'secure_auth',
			 *                       or 'logged_in'.
			 */
			do_action( 'auth_cookie_malformed', $cookie, $scheme );
			return false;
		}

$scheme     = $cookie_elements['scheme'];
		$username   = $cookie_elements['username'];
		$hmac       = $cookie_elements['hmac'];
		$token      = $cookie_elements['token'];
		$expiration = $cookie_elements['expiration'];

$expired = (int) $expiration;

// Allow a grace period for POST and Ajax requests.
		if ( wp_doing_ajax() || 'POST' === $_SERVER['REQUEST_METHOD'] ) {
			$expired += HOUR_IN_SECONDS;
		}

// Quick check to see if an honest cookie has expired.
		if ( $expired < time() ) {
			/**
			 * Fires once an authentication cookie has expired.
			 *
			 * @since 2.7.0
			 *
			 * @param string[] $cookie_elements {
			 *     Authentication cookie components. None of the components should be assumed
			 *     to be valid as they come directly from a client-provided cookie value.
			 *
			 *     @type string $username   User's username.
			 *     @type string $expiration The time the cookie expires as a UNIX timestamp.
			 *     @type string $token      User's session token used.
			 *     @type string $hmac       The security hash for the cookie.
			 *     @type string $scheme     The cookie scheme to use.
			 * }
			 */
			do_action( 'auth_cookie_expired', $cookie_elements );
			return false;
		}

$user = get_user_by( 'login', $username );
		if ( ! $user ) {
			/**
			 * Fires if a bad username is entered in the user authentication process.
			 *
			 * @since 2.7.0
			 *
			 * @param string[] $cookie_elements {
			 *     Authentication cookie components. None of the components should be assumed
			 *     to be valid as they come directly from a client-provided cookie value.
			 *
			 *     @type string $username   User's username.
			 *     @type string $expiration The time the cookie expires as a UNIX timestamp.
			 *     @type string $token      User's session token used.
			 *     @type string $hmac       The security hash for the cookie.
			 *     @type string $scheme     The cookie scheme to use.
			 * }
			 */
			do_action( 'auth_cookie_bad_username', $cookie_elements );
			return false;
		}

if ( str_starts_with( $user->user_pass, '$P$' ) || str_starts_with( $user->user_pass, '$2y$' ) ) {
			// Retain previous behaviour of phpass or vanilla bcrypt hashed passwords.
			$pass_frag = substr( $user->user_pass, 8, 4 );
		} else {
			// Otherwise, use a substring from the end of the hash to avoid dealing with potentially long hash prefixes.
			$pass_frag = substr( $user->user_pass, -4 );
		}

$key = wp_hash( $username . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme );

$hash = hash_hmac( 'sha256', $username . '|' . $expiration . '|' . $token, $key );

if ( ! hash_equals( $hash, $hmac ) ) {
			/**
			 * Fires if a bad authentication cookie hash is encountered.
			 *
			 * @since 2.7.0
			 *
			 * @param string[] $cookie_elements {
			 *     Authentication cookie components. None of the components should be assumed
			 *     to be valid as they come directly from a client-provided cookie value.
			 *
			 *     @type string $username   User's username.
			 *     @type string $expiration The time the cookie expires as a UNIX timestamp.
			 *     @type string $token      User's session token used.
			 *     @type string $hmac       The security hash for the cookie.
			 *     @type string $scheme     The cookie scheme to use.
			 * }
			 */
			do_action( 'auth_cookie_bad_hash', $cookie_elements );
			return false;
		}

$manager = WP_Session_Tokens::get_instance( $user->ID );
		if ( ! $manager->verify( $token ) ) {
			/**
			 * Fires if a bad session token is encountered.
			 *
			 * @since 4.0.0
			 *
			 * @param string[] $cookie_elements {
			 *     Authentication cookie components. None of the components should be assumed
			 *     to be valid as they come directly from a client-provided cookie value.
			 *
			 *     @type string $username   User's username.
			 *     @type string $expiration The time the cookie expires as a UNIX timestamp.
			 *     @type string $token      User's session token used.
			 *     @type string $hmac       The security hash for the cookie.
			 *     @type string $scheme     The cookie scheme to use.
			 * }
			 */
			do_action( 'auth_cookie_bad_session_token', $cookie_elements );
			return false;
		}

// Ajax/POST grace period set above.
		if ( $expiration < time() ) {
			$GLOBALS['login_grace_period'] = 1;
		}

/**
		 * Fires once an authentication cookie has been validated.
		 *
		 * @since 2.7.0
		 *
		 * @param string[] $cookie_elements {
		 *     Authentication cookie components.
		 *
		 *     @type string $username   User's username.
		 *     @type string $expiration The time the cookie expires as a UNIX timestamp.
		 *     @type string $token      User's session token used.
		 *     @type string $hmac       The security hash for the cookie.
		 *     @type string $scheme     The cookie scheme to use.
		 * }
		 * @param WP_User  $user            User object.
		 */
		do_action( 'auth_cookie_valid', $cookie_elements, $user );

return $user->ID;
	}
endif;

if ( ! function_exists( 'wp_generate_auth_cookie' ) ) :
	/**
	 * Generates authentication cookie contents.
	 *
	 * @since 2.5.0
	 * @since 4.0.0 The `$token` parameter was added.
	 *
	 * @param int    $user_id    User ID.
	 * @param int    $expiration The time the cookie expires as a UNIX timestamp.
	 * @param string $scheme     Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'.
	 *                           Default 'auth'.
	 * @param string $token      User's session token to use for this cookie.
	 * @return string Authentication cookie contents. Empty string if user does not exist.
	 */
	function wp_generate_auth_cookie( $user_id, $expiration, $scheme = 'auth', $token = '' ) {
		$user = get_userdata( $user_id );
		if ( ! $user ) {
			return '';
		}

if ( ! $token ) {
			$manager = WP_Session_Tokens::get_instance( $user_id );
			$token   = $manager->create( $expiration );
		}

$key = wp_hash( $user->user_login . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme );

$hash = hash_hmac( 'sha256', $user->user_login . '|' . $expiration . '|' . $token, $key );

$cookie = $user->user_login . '|' . $expiration . '|' . $token . '|' . $hash;

/**
		 * Filters the authentication cookie.
		 *
		 * @since 2.5.0
		 * @since 4.0.0 The `$token` parameter was added.
		 *
		 * @param string $cookie     Authentication cookie.
		 * @param int    $user_id    User ID.
		 * @param int    $expiration The time the cookie expires as a UNIX timestamp.
		 * @param string $scheme     Cookie scheme used. Accepts 'auth', 'secure_auth', or 'logged_in'.
		 * @param string $token      User's session token used.
		 */
		return apply_filters( 'auth_cookie', $cookie, $user_id, $expiration, $scheme, $token );
	}
endif;

if ( ! function_exists( 'wp_parse_auth_cookie' ) ) :
	/**
	 * Parses a cookie into its components.
	 *
	 * @since 2.7.0
	 * @since 4.0.0 The `$token` element was added to the return value.
	 *
	 * @param string $cookie Authentication cookie.
	 * @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'.
	 * @return string[]|false {
	 *     Authentication cookie components. None of the components should be assumed
	 *     to be valid as they come directly from a client-provided cookie value. If
	 *     the cookie value is malformed, false is returned.
	 *
	 *     @type string $username   User's username.
	 *     @type string $expiration The time the cookie expires as a UNIX timestamp.
	 *     @type string $token      User's session token used.
	 *     @type string $hmac       The security hash for the cookie.
	 *     @type string $scheme     The cookie scheme to use.
	 * }
	 */
	function wp_parse_auth_cookie( $cookie = '', $scheme = '' ) {
		if ( empty( $cookie ) ) {
			switch ( $scheme ) {
				case 'auth':
					$cookie_name = AUTH_COOKIE;
					break;
				case 'secure_auth':
					$cookie_name = SECURE_AUTH_COOKIE;
					break;
				case 'logged_in':
					$cookie_name = LOGGED_IN_COOKIE;
					break;
				default:
					if ( is_ssl() ) {
						$cookie_name = SECURE_AUTH_COOKIE;
						$scheme      = 'secure_auth';
					} else {
						$cookie_name = AUTH_COOKIE;
						$scheme      = 'auth';
					}
			}

if ( empty( $_COOKIE[ $cookie_name ] ) ) {
				return false;
			}
			$cookie = $_COOKIE[ $cookie_name ];
		}

$cookie_elements = explode( '|', $cookie );
		if ( count( $cookie_elements ) !== 4 ) {
			return false;
		}

list( $username, $expiration, $token, $hmac ) = $cookie_elements;

return compact( 'username', 'expiration', 'token', 'hmac', 'scheme' );
	}
endif;

if ( ! function_exists( 'wp_set_auth_cookie' ) ) :
	/**
	 * Sets the authentication cookies based on user ID.
	 *
	 * The $remember parameter increases the time that the cookie will be kept. The
	 * default the cookie is kept without remembering is two days. When $remember is
	 * set, the cookies will be kept for 14 days or two weeks.
	 *
	 * @since 2.5.0
	 * @since 4.3.0 Added the `$token` parameter.
	 *
	 * @param int         $user_id  User ID.
	 * @param bool        $remember Whether to remember the user.
	 * @param bool|string $secure   Whether the auth cookie should only be sent over HTTPS. Default is an empty
	 *                              string which means the value of `is_ssl()` will be used.
	 * @param string      $token    Optional. User's session token to use for this cookie.
	 */
	function wp_set_auth_cookie( $user_id, $remember = false, $secure = '', $token = '' ) {
		if ( $remember ) {
			/**
			 * Filters the duration of the authentication cookie expiration period.
			 *
			 * @since 2.8.0
			 *
			 * @param int  $length   Duration of the expiration period in seconds.
			 * @param int  $user_id  User ID.
			 * @param bool $remember Whether to remember the user login. Default false.
			 */
			$expiration = time() + apply_filters( 'auth_cookie_expiration', 14 * DAY_IN_SECONDS, $user_id, $remember );

/*
			 * Ensure the browser will continue to send the cookie after the expiration time is reached.
			 * Needed for the login grace period in wp_validate_auth_cookie().
			 */
			$expire = $expiration + ( 12 * HOUR_IN_SECONDS );
		} else {
			/** This filter is documented in wp-includes/pluggable.php */
			$expiration = time() + apply_filters( 'auth_cookie_expiration', 2 * DAY_IN_SECONDS, $user_id, $remember );
			$expire     = 0;
		}

if ( '' === $secure ) {
			$secure = is_ssl();
		}

// Front-end cookie is secure when the auth cookie is secure and the site's home URL uses HTTPS.
		$secure_logged_in_cookie = $secure && 'https' === parse_url( get_option( 'home' ), PHP_URL_SCHEME );

/**
		 * Filters whether the auth cookie should only be sent over HTTPS.
		 *
		 * @since 3.1.0
		 *
		 * @param bool $secure  Whether the cookie should only be sent over HTTPS.
		 * @param int  $user_id User ID.
		 */
		$secure = apply_filters( 'secure_auth_cookie', $secure, $user_id );

/**
		 * Filters whether the logged in cookie should only be sent over HTTPS.
		 *
		 * @since 3.1.0
		 *
		 * @param bool $secure_logged_in_cookie Whether the logged in cookie should only be sent over HTTPS.
		 * @param int  $user_id                 User ID.
		 * @param bool $secure                  Whether the auth cookie should only be sent over HTTPS.
		 */
		$secure_logged_in_cookie = apply_filters( 'secure_logged_in_cookie', $secure_logged_in_cookie, $user_id, $secure );

if ( $secure ) {
			$auth_cookie_name = SECURE_AUTH_COOKIE;
			$scheme           = 'secure_auth';
		} else {
			$auth_cookie_name = AUTH_COOKIE;
			$scheme           = 'auth';
		}

if ( '' === $token ) {
			$manager = WP_Session_Tokens::get_instance( $user_id );
			$token   = $manager->create( $expiration );
		}

$auth_cookie      = wp_generate_auth_cookie( $user_id, $expiration, $scheme, $token );
		$logged_in_cookie = wp_generate_auth_cookie( $user_id, $expiration, 'logged_in', $token );

/**
		 * Fires immediately before the authentication cookie is set.
		 *
		 * @since 2.5.0
		 * @since 4.9.0 The `$token` parameter was added.
		 *
		 * @param string $auth_cookie Authentication cookie value.
		 * @param int    $expire      The time the login grace period expires as a UNIX timestamp.
		 *                            Default is 12 hours past the cookie's expiration time.
		 * @param int    $expiration  The time when the authentication cookie expires as a UNIX timestamp.
		 *                            Default is 14 days from now.
		 * @param int    $user_id     User ID.
		 * @param string $scheme      Authentication scheme. Values include 'auth' or 'secure_auth'.
		 * @param string $token       User's session token to use for this cookie.
		 */
		do_action( 'set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme, $token );

/**
		 * Fires immediately before the logged-in authentication cookie is set.
		 *
		 * @since 2.6.0
		 * @since 4.9.0 The `$token` parameter was added.
		 *
		 * @param string $logged_in_cookie The logged-in cookie value.
		 * @param int    $expire           The time the login grace period expires as a UNIX timestamp.
		 *                                 Default is 12 hours past the cookie's expiration time.
		 * @param int    $expiration       The time when the logged-in authentication cookie expires as a UNIX timestamp.
		 *                                 Default is 14 days from now.
		 * @param int    $user_id          User ID.
		 * @param string $scheme           Authentication scheme. Default 'logged_in'.
		 * @param string $token            User's session token to use for this cookie.
		 */
		do_action( 'set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in', $token );

/**
		 * Allows preventing auth cookies from actually being sent to the client.
		 *
		 * @since 4.7.4
		 * @since 6.2.0 The `$expire`, `$expiration`, `$user_id`, `$scheme`, and `$token` parameters were added.
		 *
		 * @param bool   $send       Whether to send auth cookies to the client. Default true.
		 * @param int    $expire     The time the login grace period expires as a UNIX timestamp.
		 *                           Default is 12 hours past the cookie's expiration time. Zero when clearing cookies.
		 * @param int    $expiration The time when the logged-in authentication cookie expires as a UNIX timestamp.
		 *                           Default is 14 days from now. Zero when clearing cookies.
		 * @param int    $user_id    User ID. Zero when clearing cookies.
		 * @param string $scheme     Authentication scheme. Values include 'auth' or 'secure_auth'.
		 *                           Empty string when clearing cookies.
		 * @param string $token      User's session token to use for this cookie. Empty string when clearing cookies.
		 */
		if ( ! apply_filters( 'send_auth_cookies', true, $expire, $expiration, $user_id, $scheme, $token ) ) {
			return;
		}

setcookie( $auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure, true );
		setcookie( $auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure, true );
		setcookie( LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true );
		if ( COOKIEPATH !== SITECOOKIEPATH ) {
			setcookie( LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true );
		}
	}
endif;

if ( ! function_exists( 'wp_clear_auth_cookie' ) ) :
	/**
	 * Removes all of the cookies associated with authentication.
	 *
	 * @since 2.5.0
	 */
	function wp_clear_auth_cookie() {
		/**
		 * Fires just before the authentication cookies are cleared.
		 *
		 * @since 2.7.0
		 */
		do_action( 'clear_auth_cookie' );

/** This filter is documented in wp-includes/pluggable.php */
		if ( ! apply_filters( 'send_auth_cookies', true, 0, 0, 0, '', '' ) ) {
			return;
		}

// Auth cookies.
		setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN );
		setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN );
		setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN );
		setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN );
		setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
		setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );

// Settings cookies.
		setcookie( 'wp-settings-' . get_current_user_id(), ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH );
		setcookie( 'wp-settings-time-' . get_current_user_id(), ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH );

// Old cookies.
		setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
		setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
		setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
		setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );

// Even older cookies.
		setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
		setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
		setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
		setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );

// Post password cookie.
		setcookie( 'wp-postpass_' . COOKIEHASH, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
	}
endif;

if ( ! function_exists( 'is_user_logged_in' ) ) :
	/**
	 * Determines whether the current visitor is a logged in user.
	 *
	 * For more information on this and similar theme functions, check out
	 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
	 * Conditional Tags} article in the Theme Developer Handbook.
	 *
	 * @since 2.0.0
	 *
	 * @return bool True if user is logged in, false if not logged in.
	 */
	function is_user_logged_in() {
		$user = wp_get_current_user();

return $user->exists();
	}
endif;

if ( ! function_exists( 'auth_redirect' ) ) :
	/**
	 * Checks if a user is logged in, if not it redirects them to the login page.
	 *
	 * When this code is called from a page, it checks to see if the user viewing the page is logged in.
	 * If the user is not logged in, they are redirected to the login page. The user is redirected
	 * in such a way that, upon logging in, they will be sent directly to the page they were originally
	 * trying to access.
	 *
	 * @since 1.5.0
	 */
	function auth_redirect() {
		$secure = ( is_ssl() || force_ssl_admin() );

/**
		 * Filters whether to use a secure authentication redirect.
		 *
		 * @since 3.1.0
		 *
		 * @param bool $secure Whether to use a secure authentication redirect. Default false.
		 */
		$secure = apply_filters( 'secure_auth_redirect', $secure );

// If https is required and request is http, redirect.
		if ( $secure && ! is_ssl() && str_contains( $_SERVER['REQUEST_URI'], 'wp-admin' ) ) {
			if ( str_starts_with( $_SERVER['REQUEST_URI'], 'http' ) ) {
				wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
				exit;
			} else {
				wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
				exit;
			}
		}

/**
		 * Filters the authentication redirect scheme.
		 *
		 * @since 2.9.0
		 *
		 * @param string $scheme Authentication redirect scheme. Default empty.
		 */
		$scheme = apply_filters( 'auth_redirect_scheme', '' );

$user_id = wp_validate_auth_cookie( '', $scheme );
		if ( $user_id ) {
			/**
			 * Fires before the authentication redirect.
			 *
			 * @since 2.8.0
			 *
			 * @param int $user_id User ID.
			 */
			do_action( 'auth_redirect', $user_id );

// If the user wants ssl but the session is not ssl, redirect.
			if ( ! $secure && get_user_option( 'use_ssl', $user_id ) && str_contains( $_SERVER['REQUEST_URI'], 'wp-admin' ) ) {
				if ( str_starts_with( $_SERVER['REQUEST_URI'], 'http' ) ) {
					wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
					exit;
				} else {
					wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
					exit;
				}
			}

return; // The cookie is good, so we're done.
		}

// The cookie is no good, so force login.
		nocache_headers();

if ( str_contains( $_SERVER['REQUEST_URI'], '/options.php' ) && wp_get_referer() ) {
			$redirect = wp_get_referer();
		} else {
			$redirect = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
		}

$login_url = wp_login_url( $redirect, true );

wp_redirect( $login_url );
		exit;
	}
endif;

if ( ! function_exists( 'check_admin_referer' ) ) :
	/**
	 * Ensures intent by verifying that a user was referred from another admin page with the correct security nonce.
	 *
	 * This function ensures the user intends to perform a given action, which helps protect against clickjacking style
	 * attacks. It verifies intent, not authorization, therefore it does not verify the user's capabilities. This should
	 * be performed with `current_user_can()` or similar.
	 *
	 * If the nonce value is invalid, the function will exit with an "Are You Sure?" style message.
	 *
	 * @since 1.2.0
	 * @since 2.5.0 The `$query_arg` parameter was added.
	 *
	 * @param int|string $action    The nonce action.
	 * @param string     $query_arg Optional. Key to check for nonce in `$_REQUEST`. Default '_wpnonce'.
	 * @return int|false 1 if the nonce is valid and generated between 0-12 hours ago,
	 *                   2 if the nonce is valid and generated between 12-24 hours ago.
	 *                   False if the nonce is invalid.
	 */
	function check_admin_referer( $action = -1, $query_arg = '_wpnonce' ) {
		if ( -1 === $action ) {
			_doing_it_wrong( __FUNCTION__, __( 'You should specify an action to be verified by using the first parameter.' ), '3.2.0' );
		}

$adminurl = strtolower( admin_url() );
		$referer  = strtolower( wp_get_referer() );
		$result   = isset( $_REQUEST[ $query_arg ] ) ? wp_verify_nonce( $_REQUEST[ $query_arg ], $action ) : false;

/**
		 * Fires once the admin request has been validated or not.
		 *
		 * @since 1.5.1
		 *
		 * @param string    $action The nonce action.
		 * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between
		 *                          0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
		 */
		do_action( 'check_admin_referer', $action, $result );

if ( ! $result && ! ( -1 === $action && str_starts_with( $referer, $adminurl ) ) ) {
			wp_nonce_ays( $action );
			die();
		}

return $result;
	}
endif;

if ( ! function_exists( 'check_ajax_referer' ) ) :
	/**
	 * Verifies the Ajax request to prevent processing requests external of the blog.
	 *
	 * @since 2.0.3
	 *
	 * @param int|string   $action    Action nonce.
	 * @param false|string $query_arg Optional. Key to check for the nonce in `$_REQUEST` (since 2.5). If false,
	 *                                `$_REQUEST` values will be evaluated for '_ajax_nonce', and '_wpnonce'
	 *                                (in that order). Default false.
	 * @param bool         $stop      Optional. Whether to stop early when the nonce cannot be verified.
	 *                                Default true.
	 * @return int|false 1 if the nonce is valid and generated between 0-12 hours ago,
	 *                   2 if the nonce is valid and generated between 12-24 hours ago.
	 *                   False if the nonce is invalid.
	 */
	function check_ajax_referer( $action = -1, $query_arg = false, $stop = true ) {
		if ( -1 === $action ) {
			_doing_it_wrong( __FUNCTION__, __( 'You should specify an action to be verified by using the first parameter.' ), '4.7.0' );
		}

$nonce = '';

if ( $query_arg && isset( $_REQUEST[ $query_arg ] ) ) {
			$nonce = $_REQUEST[ $query_arg ];
		} elseif ( isset( $_REQUEST['_ajax_nonce'] ) ) {
			$nonce = $_REQUEST['_ajax_nonce'];
		} elseif ( isset( $_REQUEST['_wpnonce'] ) ) {
			$nonce = $_REQUEST['_wpnonce'];
		}

$result = wp_verify_nonce( $nonce, $action );

/**
		 * Fires once the Ajax request has been validated or not.
		 *
		 * @since 2.1.0
		 *
		 * @param string    $action The Ajax nonce action.
		 * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between
		 *                          0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
		 */
		do_action( 'check_ajax_referer', $action, $result );

if ( $stop && false === $result ) {
			if ( wp_doing_ajax() ) {
				wp_die( -1, 403 );
			} else {
				die( '-1' );
			}
		}

return $result;
	}
endif;

if ( ! function_exists( 'wp_redirect' ) ) :
	/**
	 * Redirects to another page.
	 *
	 * Note: wp_redirect() does not exit automatically, and should almost always be
	 * followed by a call to `exit;`:
	 *
	 *     wp_redirect( $url );
	 *     exit;
	 *
	 * Exiting can also be selectively manipulated by using wp_redirect() as a conditional
	 * in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_status'} filters:
	 *
	 *     if ( wp_redirect( $url ) ) {
	 *         exit;
	 *     }
	 *
	 * @since 1.5.1
	 * @since 5.1.0 The `$x_redirect_by` parameter was added.
	 * @since 5.4.0 On invalid status codes, wp_die() is called.
	 *
	 * @global bool $is_IIS
	 *
	 * @param string       $location      The path or URL to redirect to.
	 * @param int          $status        Optional. HTTP response status code to use. Default '302' (Moved Temporarily).
	 * @param string|false $x_redirect_by Optional. The application doing the redirect or false to omit. Default 'WordPress'.
	 * @return bool False if the redirect was canceled, true otherwise.
	 */
	function wp_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) {
		global $is_IIS;

/**
		 * Filters the redirect location.
		 *
		 * @since 2.1.0
		 *
		 * @param string $location The path or URL to redirect to.
		 * @param int    $status   The HTTP response status code to use.
		 */
		$location = apply_filters( 'wp_redirect', $location, $status );

/**
		 * Filters the redirect HTTP response status code to use.
		 *
		 * @since 2.3.0
		 *
		 * @param int    $status   The HTTP response status code to use.
		 * @param string $location The path or URL to redirect to.
		 */
		$status = apply_filters( 'wp_redirect_status', $status, $location );

if ( ! $location ) {
			return false;
		}

if ( $status < 300 || 399 < $status ) {
			wp_die( __( 'HTTP redirect status code must be a redirection code, 3xx.' ) );
		}

$location = wp_sanitize_redirect( $location );

if ( ! $is_IIS && 'cgi-fcgi' !== PHP_SAPI ) {
			status_header( $status ); // This causes problems on IIS and some FastCGI setups.
		}

/**
		 * Filters the X-Redirect-By header.
		 *
		 * Allows applications to identify themselves when they're doing a redirect.
		 *
		 * @since 5.1.0
		 *
		 * @param string|false $x_redirect_by The application doing the redirect or false to omit the header.
		 * @param int          $status        Status code to use.
		 * @param string       $location      The path to redirect to.
		 */
		$x_redirect_by = apply_filters( 'x_redirect_by', $x_redirect_by, $status, $location );
		if ( is_string( $x_redirect_by ) ) {
			header( "X-Redirect-By: $x_redirect_by" );
		}

header( "Location: $location", true, $status );

return true;
	}
endif;

if ( ! function_exists( 'wp_sanitize_redirect' ) ) :
	/**
	 * Sanitizes a URL for use in a redirect.
	 *
	 * @since 2.3.0
	 *
	 * @param string $location The path to redirect to.
	 * @return string Redirect-sanitized URL.
	 */
	function wp_sanitize_redirect( $location ) {
		// Encode spaces.
		$location = str_replace( ' ', '%20', $location );

$regex    = '/
		(
			(?: [\xC2-\xDF][\x80-\xBF]        # double-byte sequences   110xxxxx 10xxxxxx
			|   \xE0[\xA0-\xBF][\x80-\xBF]    # triple-byte sequences   1110xxxx 10xxxxxx * 2
			|   [\xE1-\xEC][\x80-\xBF]{2}
			|   \xED[\x80-\x9F][\x80-\xBF]
			|   [\xEE-\xEF][\x80-\xBF]{2}
			|   \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences   11110xxx 10xxxxxx * 3
			|   [\xF1-\xF3][\x80-\xBF]{3}
			|   \xF4[\x80-\x8F][\x80-\xBF]{2}
		){1,40}                              # ...one or more times
		)/x';
		$location = preg_replace_callback( $regex, '_wp_sanitize_utf8_in_redirect', $location );
		$location = preg_replace( '|[^a-z0-9-~+_.?#=&;,/:%!*\[\]()@]|i', '', $location );
		$location = wp_kses_no_null( $location );

// Remove %0D and %0A from location.
		$strip = array( '%0d', '%0a', '%0D', '%0A' );
		return _deep_replace( $strip, $location );
	}

/**
	 * URL encodes UTF-8 characters in a URL.
	 *
	 * @ignore
	 * @since 4.2.0
	 * @access private
	 *
	 * @see wp_sanitize_redirect()
	 *
	 * @param array $matches RegEx matches against the redirect location.
	 * @return string URL-encoded version of the first RegEx match.
	 */
	function _wp_sanitize_utf8_in_redirect( $matches ) {
		return urlencode( $matches[0] );
	}
endif;

if ( ! function_exists( 'wp_safe_redirect' ) ) :
	/**
	 * Performs a safe (local) redirect, using wp_redirect().
	 *
	 * Checks whether the $location is using an allowed host, if it has an absolute
	 * path. A plugin can therefore set or remove allowed host(s) to or from the
	 * list.
	 *
	 * If the host is not allowed, then the redirect defaults to wp-admin on the siteurl
	 * instead. This prevents malicious redirects which redirect to another host,
	 * but only used in a few places.
	 *
	 * Note: wp_safe_redirect() does not exit automatically, and should almost always be
	 * followed by a call to `exit;`:
	 *
	 *     wp_safe_redirect( $url );
	 *     exit;
	 *
	 * Exiting can also be selectively manipulated by using wp_safe_redirect() as a conditional
	 * in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_status'} filters:
	 *
	 *     if ( wp_safe_redirect( $url ) ) {
	 *         exit;
	 *     }
	 *
	 * @since 2.3.0
	 * @since 5.1.0 The return value from wp_redirect() is now passed on, and the `$x_redirect_by` parameter was added.
	 *
	 * @param string       $location      The path or URL to redirect to.
	 * @param int          $status        Optional. HTTP response status code to use. Default '302' (Moved Temporarily).
	 * @param string|false $x_redirect_by Optional. The application doing the redirect or false to omit. Default 'WordPress'.
	 * @return bool False if the redirect was canceled, true otherwise.
	 */
	function wp_safe_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) {

// Need to look at the URL the way it will end up in wp_redirect().
		$location = wp_sanitize_redirect( $location );

/**
		 * Filters the redirect fallback URL for when the provided redirect is not safe (local).
		 *
		 * @since 4.3.0
		 *
		 * @param string $fallback_url The fallback URL to use by default.
		 * @param int    $status       The HTTP response status code to use.
		 */
		$fallback_url = apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status );

$location = wp_validate_redirect( $location, $fallback_url );

return wp_redirect( $location, $status, $x_redirect_by );
	}
endif;

if ( ! function_exists( 'wp_validate_redirect' ) ) :
	/**
	 * Validates a URL for use in a redirect.
	 *
	 * Checks whether the $location is using an allowed host, if it has an absolute
	 * path. A plugin can therefore set or remove allowed host(s) to or from the
	 * list.
	 *
	 * If the host is not allowed, then the redirect is to $fallback_url supplied.
	 *
	 * @since 2.8.1
	 *
	 * @param string $location     The redirect to validate.
	 * @param string $fallback_url The value to return if $location is not allowed.
	 * @return string Redirect-sanitized URL.
	 */
	function wp_validate_redirect( $location, $fallback_url = '' ) {
		$location = wp_sanitize_redirect( trim( $location, " \t\n\r\0\x08\x0B" ) );
		// Browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//'.
		if ( str_starts_with( $location, '//' ) ) {
			$location = 'http:' . $location;
		}

/*
		 * In PHP 5 parse_url() may fail if the URL query part contains 'http://'.
		 * See https://bugs.php.net/bug.php?id=38143
		 */
		$cut  = strpos( $location, '?' );
		$test = $cut ? substr( $location, 0, $cut ) : $location;

$lp = parse_url( $test );

// Give up if malformed URL.
		if ( false === $lp ) {
			return $fallback_url;
		}

// Allow only 'http' and 'https' schemes. No 'data:', etc.
		if ( isset( $lp['scheme'] ) && ! ( 'http' === $lp['scheme'] || 'https' === $lp['scheme'] ) ) {
			return $fallback_url;
		}

if ( ! isset( $lp['host'] ) && ! empty( $lp['path'] ) && '/' !== $lp['path'][0] ) {
			$path = '';
			if ( ! empty( $_SERVER['REQUEST_URI'] ) ) {
				$path = dirname( parse_url( 'http://placeholder' . $_SERVER['REQUEST_URI'], PHP_URL_PATH ) . '?' );
				$path = wp_normalize_path( $path );
			}
			$location = '/' . ltrim( $path . '/', '/' ) . $location;
		}

/*
		 * Reject if certain components are set but host is not.
		 * This catches URLs like https:host.com for which parse_url() does not set the host field.
		 */
		if ( ! isset( $lp['host'] ) && ( isset( $lp['scheme'] ) || isset( $lp['user'] ) || isset( $lp['pass'] ) || isset( $lp['port'] ) ) ) {
			return $fallback_url;
		}

// Reject malformed components parse_url() can return on odd inputs.
		foreach ( array( 'user', 'pass', 'host' ) as $component ) {
			if ( isset( $lp[ $component ] ) && strpbrk( $lp[ $component ], ':/?#@' ) ) {
				return $fallback_url;
			}
		}

$wpp = parse_url( home_url() );

/**
		 * Filters the list of allowed hosts to redirect to.
		 *
		 * @since 2.3.0
		 *
		 * @param string[] $hosts An array of allowed host names.
		 * @param string   $host  The host name of the redirect destination; empty string if not set.
		 */
		$allowed_hosts = (array) apply_filters( 'allowed_redirect_hosts', array( $wpp['host'] ), isset( $lp['host'] ) ? $lp['host'] : '' );

if ( isset( $lp['host'] ) && ( ! in_array( $lp['host'], $allowed_hosts, true ) && strtolower( $wpp['host'] ) !== $lp['host'] ) ) {
			$location = $fallback_url;
		}

return $location;
	}
endif;

if ( ! function_exists( 'wp_notify_postauthor' ) ) :
	/**
	 * Notifies an author (and/or others) of a comment/trackback/pingback on a post.
	 *
	 * @since 1.0.0
	 *
	 * @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
	 * @param string         $deprecated Not used.
	 * @return bool True on completion. False if no email addresses were specified.
	 */
	function wp_notify_postauthor( $comment_id, $deprecated = null ) {
		if ( null !== $deprecated ) {
			_deprecated_argument( __FUNCTION__, '3.8.0' );
		}

$comment = get_comment( $comment_id );
		if ( empty( $comment ) || empty( $comment->comment_post_ID ) ) {
			return false;
		}

$post   = get_post( $comment->comment_post_ID );
		$author = get_userdata( $post->post_author );

// Who to notify? By default, just the post author, but others can be added.
		$emails = array();
		if ( $author ) {
			$emails[] = $author->user_email;
		}

/**
		 * Filters the list of email addresses to receive a comment notification.
		 *
		 * By default, only post authors are notified of comments. This filter allows
		 * others to be added.
		 *
		 * @since 3.7.0
		 *
		 * @param string[] $emails     An array of email addresses to receive a comment notification.
		 * @param string   $comment_id The comment ID as a numeric string.
		 */
		$emails = apply_filters( 'comment_notification_recipients', $emails, $comment->comment_ID );
		$emails = array_filter( $emails );

// If there are no addresses to send the comment to, bail.
		if ( ! count( $emails ) ) {
			return false;
		}

// Facilitate unsetting below without knowing the keys.
		$emails = array_flip( $emails );

/**
		 * Filters whether to notify comment authors of their comments on their own posts.
		 *
		 * By default, comment authors aren't notified of their comments on their own
		 * posts. This filter allows you to override that.
		 *
		 * @since 3.8.0
		 *
		 * @param bool   $notify     Whether to notify the post author of their own comment.
		 *                           Default false.
		 * @param string $comment_id The comment ID as a numeric string.
		 */
		$notify_author = apply_filters( 'comment_notification_notify_author', false, $comment->comment_ID );

// The comment was left by the author.
		if ( $author && ! $notify_author && (int) $comment->user_id === (int) $post->post_author ) {
			unset( $emails[ $author->user_email ] );
		}

// The author moderated a comment on their own post.
		if ( $author && ! $notify_author && get_current_user_id() === (int) $post->post_author ) {
			unset( $emails[ $author->user_email ] );
		}

// The post author is no longer a member of the blog.
		if ( $author && ! $notify_author && ! user_can( $post->post_author, 'read_post', $post->ID ) ) {
			unset( $emails[ $author->user_email ] );
		}

// If there's no email to send the comment to, bail, otherwise flip array back around for use below.
		if ( ! count( $emails ) ) {
			return false;
		} else {
			$emails = array_flip( $emails );
		}

$comment_author_domain = '';
		if ( WP_Http::is_ip_address( $comment->comment_author_IP ) ) {
			$comment_author_domain = gethostbyaddr( $comment->comment_author_IP );
		}

/*
		 * The blogname option is escaped with esc_html() on the way into the database in sanitize_option().
		 * We want to reverse this for the plain text arena of emails.
		 */
		$blogname        = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
		$comment_content = wp_specialchars_decode( $comment->comment_content );

$wp_email = 'wordpress@' . preg_replace( '#^www\.#', '', wp_parse_url( network_home_url(), PHP_URL_HOST ) );

if ( '' === $comment->comment_author ) {
			$from = "From: \"$blogname\" <$wp_email>";
			if ( '' !== $comment->comment_author_email ) {
				$reply_to = "Reply-To: $comment->comment_author_email";
			}
		} else {
			$from = "From: \"$comment->comment_author\" <$wp_email>";
			if ( '' !== $comment->comment_author_email ) {
				$reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>";
			}
		}

$message_headers = "$from\n"
		. 'Content-Type: text/plain; charset="' . get_option( 'blog_charset' ) . "\"\n";

if ( isset( $reply_to ) ) {
			$message_headers .= $reply_to . "\n";
		}

/**
		 * Filters the comment notification email headers.
		 *
		 * @since 1.5.2
		 *
		 * @param string $message_headers Headers for the comment notification email.
		 * @param string $comment_id      Comment ID as a numeric string.
		 */
		$message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment->comment_ID );

foreach ( $emails as $email ) {
			$user = get_user_by( 'email', $email );

if ( $user ) {
				$switched_locale = switch_to_user_locale( $user->ID );
			} else {
				$switched_locale = switch_to_locale( get_locale() );
			}

switch ( $comment->comment_type ) {
				case 'trackback':
					/* translators: %s: Post title. */
					$notify_message = sprintf( __( 'New trackback on your post "%s"' ), $post->post_title ) . "\r\n";
					/* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */
					$notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
					/* translators: %s: Trackback/pingback/comment author URL. */
					$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
					/* translators: %s: Comment text. */
					$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
					$notify_message .= __( 'You can see all trackbacks on this post here:' ) . "\r\n";
					/* translators: Trackback notification email subject. 1: Site title, 2: Post title. */
					$subject = sprintf( __( '[%1$s] Trackback: "%2$s"' ), $blogname, $post->post_title );
					break;

case 'pingback':
					/* translators: %s: Post title. */
					$notify_message = sprintf( __( 'New pingback on your post "%s"' ), $post->post_title ) . "\r\n";
					/* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */
					$notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
					/* translators: %s: Trackback/pingback/comment author URL. */
					$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
					/* translators: %s: Comment text. */
					$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
					$notify_message .= __( 'You can see all pingbacks on this post here:' ) . "\r\n";
					/* translators: Pingback notification email subject. 1: Site title, 2: Post title. */
					$subject = sprintf( __( '[%1$s] Pingback: "%2$s"' ), $blogname, $post->post_title );
					break;

default: // Comments.
					/* translators: %s: Post title. */
					$notify_message = sprintf( __( 'New comment on your post "%s"' ), $post->post_title ) . "\r\n";
					/* translators: 1: Comment author's name, 2: Comment author's IP address, 3: Comment author's hostname. */
					$notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
					/* translators: %s: Comment author email. */
					$notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n";
					/* translators: %s: Trackback/pingback/comment author URL. */
					$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";

if ( $comment->comment_parent && user_can( $post->post_author, 'edit_comment', $comment->comment_parent ) ) {
						/* translators: Comment moderation. %s: Parent comment edit URL. */
						$notify_message .= sprintf( __( 'In reply to: %s' ), admin_url( "comment.php?action=editcomment&c={$comment->comment_parent}#wpbody-content" ) ) . "\r\n";
					}

/* translators: %s: Comment text. */
					$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
					$notify_message .= __( 'You can see all comments on this post here:' ) . "\r\n";
					/* translators: Comment notification email subject. 1: Site title, 2: Post title. */
					$subject = sprintf( __( '[%1$s] Comment: "%2$s"' ), $blogname, $post->post_title );
					break;
			}

$notify_message .= get_permalink( $comment->comment_post_ID ) . "#comments\r\n\r\n";
			/* translators: %s: Comment URL. */
			$notify_message .= sprintf( __( 'Permalink: %s' ), get_comment_link( $comment ) ) . "\r\n";

if ( user_can( $post->post_author, 'edit_comment', $comment->comment_ID ) ) {
				if ( EMPTY_TRASH_DAYS ) {
					/* translators: Comment moderation. %s: Comment action URL. */
					$notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n";
				} else {
					/* translators: Comment moderation. %s: Comment action URL. */
					$notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n";
				}
				/* translators: Comment moderation. %s: Comment action URL. */
				$notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n";
			}

/**
			 * Filters the comment notification email text.
			 *
			 * @since 1.5.2
			 *
			 * @param string $notify_message The comment notification email text.
			 * @param string $comment_id     Comment ID as a numeric string.
			 */
			$notify_message = apply_filters( 'comment_notification_text', $notify_message, $comment->comment_ID );

/**
			 * Filters the comment notification email subject.
			 *
			 * @since 1.5.2
			 *
			 * @param string $subject    The comment notification email subject.
			 * @param string $comment_id Comment ID as a numeric string.
			 */
			$subject = apply_filters( 'comment_notification_subject', $subject, $comment->comment_ID );

wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers );

if ( $switched_locale ) {
				restore_previous_locale();
			}
		}

return true;
	}
endif;

if ( ! function_exists( 'wp_notify_moderator' ) ) :
	/**
	 * Notifies the moderator of the site about a new comment that is awaiting approval.
	 *
	 * @since 1.0.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * Uses the {@see 'notify_moderator'} filter to determine whether the site moderator
	 * should be notified, overriding the site setting.
	 *
	 * @param int $comment_id Comment ID.
	 * @return true Always returns true.
	 */
	function wp_notify_moderator( $comment_id ) {
		global $wpdb;

$maybe_notify = get_option( 'moderation_notify' );

/**
		 * Filters whether to send the site moderator email notifications, overriding the site setting.
		 *
		 * @since 4.4.0
		 *
		 * @param bool $maybe_notify Whether to notify blog moderator.
		 * @param int  $comment_id   The ID of the comment for the notification.
		 */
		$maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id );

if ( ! $maybe_notify ) {
			return true;
		}

$comment = get_comment( $comment_id );
		$post    = get_post( $comment->comment_post_ID );
		$user    = get_userdata( $post->post_author );
		// Send to the administration and to the post author if the author can modify the comment.
		$emails = array( get_option( 'admin_email' ) );
		if ( $user && user_can( $user->ID, 'edit_comment', $comment_id ) && ! empty( $user->user_email ) ) {
			if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) {
				$emails[] = $user->user_email;
			}
		}

$comment_author_domain = '';
		if ( WP_Http::is_ip_address( $comment->comment_author_IP ) ) {
			$comment_author_domain = gethostbyaddr( $comment->comment_author_IP );
		}

$comments_waiting = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_approved = '0'" );

$message_headers = '';

/**
		 * Filters the list of recipients for comment moderation emails.
		 *
		 * @since 3.7.0
		 *
		 * @param string[] $emails     List of email addresses to notify for comment moderation.
		 * @param int      $comment_id Comment ID.
		 */
		$emails = apply_filters( 'comment_moderation_recipients', $emails, $comment_id );

/**
		 * Filters the comment moderation email headers.
		 *
		 * @since 2.8.0
		 *
		 * @param string $message_headers Headers for the comment moderation email.
		 * @param int    $comment_id      Comment ID.
		 */
		$message_headers = apply_filters( 'comment_moderation_headers', $message_headers, $comment_id );

foreach ( $emails as $email ) {
			$user = get_user_by( 'email', $email );

if ( $user ) {
				$switched_locale = switch_to_user_locale( $user->ID );
			} else {
				$switched_locale = switch_to_locale( get_locale() );
			}

switch ( $comment->comment_type ) {
				case 'trackback':
					/* translators: %s: Post title. */
					$notify_message  = sprintf( __( 'A new trackback on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n";
					$notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n";
					/* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */
					$notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
					/* translators: %s: Trackback/pingback/comment author URL. */
					$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
					$notify_message .= __( 'Trackback excerpt: ' ) . "\r\n" . $comment_content . "\r\n\r\n";
					break;

case 'pingback':
					/* translators: %s: Post title. */
					$notify_message  = sprintf( __( 'A new pingback on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n";
					$notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n";
					/* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */
					$notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
					/* translators: %s: Trackback/pingback/comment author URL. */
					$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
					$notify_message .= __( 'Pingback excerpt: ' ) . "\r\n" . $comment_content . "\r\n\r\n";
					break;

default: // Comments.
					/* translators: %s: Post title. */
					$notify_message  = sprintf( __( 'A new comment on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n";
					$notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n";
					/* translators: 1: Comment author's name, 2: Comment author's IP address, 3: Comment author's hostname. */
					$notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
					/* translators: %s: Comment author email. */
					$notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n";
					/* translators: %s: Trackback/pingback/comment author URL. */
					$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";

if ( $comment->comment_parent ) {
						/* translators: Comment moderation. %s: Parent comment edit URL. */
						$notify_message .= sprintf( __( 'In reply to: %s' ), admin_url( "comment.php?action=editcomment&c={$comment->comment_parent}#wpbody-content" ) ) . "\r\n";
					}

/* translators: %s: Comment text. */
					$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
					break;
			}

/* translators: Comment moderation. %s: Comment action URL. */
			$notify_message .= sprintf( __( 'Approve it: %s' ), admin_url( "comment.php?action=approve&c={$comment_id}#wpbody-content" ) ) . "\r\n";

if ( EMPTY_TRASH_DAYS ) {
				/* translators: Comment moderation. %s: Comment action URL. */
				$notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment_id}#wpbody-content" ) ) . "\r\n";
			} else {
				/* translators: Comment moderation. %s: Comment action URL. */
				$notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment_id}#wpbody-content" ) ) . "\r\n";
			}

/* translators: Comment moderation. %s: Comment action URL. */
			$notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment_id}#wpbody-content" ) ) . "\r\n";

$notify_message .= sprintf(
				/* translators: Comment moderation. %s: Number of comments awaiting approval. */
				_n(
					'Currently %s comment is waiting for approval. Please visit the moderation panel:',
					'Currently %s comments are waiting for approval. Please visit the moderation panel:',
					$comments_waiting
				),
				number_format_i18n( $comments_waiting )
			) . "\r\n";
			$notify_message .= admin_url( 'edit-comments.php?comment_status=moderated#wpbody-content' ) . "\r\n";

/* translators: Comment moderation notification email subject. 1: Site title, 2: Post title. */
			$subject = sprintf( __( '[%1$s] Please moderate: "%2$s"' ), $blogname, $post->post_title );

/**
			 * Filters the comment moderation email text.
			 *
			 * @since 1.5.2
			 *
			 * @param string $notify_message Text of the comment moderation email.
			 * @param int    $comment_id     Comment ID.
			 */
			$notify_message = apply_filters( 'comment_moderation_text', $notify_message, $comment_id );

/**
			 * Filters the comment moderation email subject.
			 *
			 * @since 1.5.2
			 *
			 * @param string $subject    Subject of the comment moderation email.
			 * @param int    $comment_id Comment ID.
			 */
			$subject = apply_filters( 'comment_moderation_subject', $subject, $comment_id );

wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers );

if ( $switched_locale ) {
				restore_previous_locale();
			}
		}

return true;
	}
endif;

if ( ! function_exists( 'wp_password_change_notification' ) ) :
	/**
	 * Notifies the blog admin of a user changing password, normally via email.
	 *
	 * @since 2.7.0
	 *
	 * @param WP_User $user User object.
	 */
	function wp_password_change_notification( $user ) {
		/*
		 * Send a copy of password change notification to the admin,
		 * but check to see if it's the admin whose password we're changing, and skip this.
		 */
		if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) {

$admin_user = get_user_by( 'email', get_option( 'admin_email' ) );

if ( $admin_user ) {
				$switched_locale = switch_to_user_locale( $admin_user->ID );
			} else {
				$switched_locale = switch_to_locale( get_locale() );
			}

/* translators: %s: User name. */
			$message = sprintf( __( 'Password changed for user: %s' ), $user->user_login ) . "\r\n";
			/*
			 * The blogname option is escaped with esc_html() on the way into the database in sanitize_option().
			 * We want to reverse this for the plain text arena of emails.
			 */
			$blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );

$wp_password_change_notification_email = array(
				'to'      => get_option( 'admin_email' ),
				/* translators: Password change notification email subject. %s: Site title. */
				'subject' => __( '[%s] Password Changed' ),
				'message' => $message,
				'headers' => '',
			);

/**
			 * Filters the contents of the password change notification email sent to the site admin.
			 *
			 * @since 4.9.0
			 *
			 * @param array   $wp_password_change_notification_email {
			 *     Used to build wp_mail().
			 *
			 *     @type string $to      The intended recipient - site admin email address.
			 *     @type string $subject The subject of the email.
			 *     @type string $message The body of the email.
			 *     @type string $headers The headers of the email.
			 * }
			 * @param WP_User $user     User object for user whose password was changed.
			 * @param string  $blogname The site title.
			 */
			$wp_password_change_notification_email = apply_filters( 'wp_password_change_notification_email', $wp_password_change_notification_email, $user, $blogname );

wp_mail(
				$wp_password_change_notification_email['to'],
				wp_specialchars_decode( sprintf( $wp_password_change_notification_email['subject'], $blogname ) ),
				$wp_password_change_notification_email['message'],
				$wp_password_change_notification_email['headers']
			);

if ( $switched_locale ) {
				restore_previous_locale();
			}
		}
	}
endif;

if ( ! function_exists( 'wp_new_user_notification' ) ) :
	/**
	 * Emails login credentials to a newly-registered user.
	 *
	 * A new user registration notification is also sent to admin email.
	 *
	 * @since 2.0.0
	 * @since 4.3.0 The `$plaintext_pass` parameter was changed to `$notify`.
	 * @since 4.3.1 The `$plaintext_pass` parameter was deprecated. `$notify` added as a third parameter.
	 * @since 4.6.0 The `$notify` parameter accepts 'user' for sending notification only to the user created.
	 *
	 * @param int    $user_id    User ID.
	 * @param null   $deprecated Not used (argument deprecated).
	 * @param string $notify     Optional. Type of notification that should happen. Accepts 'admin' or an empty
	 *                           string (admin only), 'user', or 'both' (admin and user). Default empty.
	 */
	function wp_new_user_notification( $user_id, $deprecated = null, $notify = '' ) {
		if ( null !== $deprecated ) {
			_deprecated_argument( __FUNCTION__, '4.3.1' );
		}

// Accepts only 'user', 'admin' , 'both' or default '' as $notify.
		if ( ! in_array( $notify, array( 'user', 'admin', 'both', '' ), true ) ) {
			return;
		}

$user = get_userdata( $user_id );

/*
		 * The blogname option is escaped with esc_html() on the way into the database in sanitize_option().
		 * We want to reverse this for the plain text arena of emails.
		 */
		$blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );

/**
		 * Filters whether the admin is notified of a new user registration.
		 *
		 * @since 6.1.0
		 *
		 * @param bool    $send Whether to send the email. Default true.
		 * @param WP_User $user User object for new user.
		 */
		$send_notification_to_admin = apply_filters( 'wp_send_new_user_notification_to_admin', true, $user );

if ( 'user' !== $notify && true === $send_notification_to_admin ) {

$admin_user = get_user_by( 'email', get_option( 'admin_email' ) );

if ( $admin_user ) {
				$switched_locale = switch_to_user_locale( $admin_user->ID );
			} else {
				$switched_locale = switch_to_locale( get_locale() );
			}

/* translators: %s: Site title. */
			$message = sprintf( __( 'New user registration on your site %s:' ), $blogname ) . "\r\n\r\n";
			/* translators: %s: User login. */
			$message .= sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n";
			/* translators: %s: User email address. */
			$message .= sprintf( __( 'Email: %s' ), $user->user_email ) . "\r\n";

$wp_new_user_notification_email_admin = array(
				'to'      => get_option( 'admin_email' ),
				/* translators: New user registration notification email subject. %s: Site title. */
				'subject' => __( '[%s] New User Registration' ),
				'message' => $message,
				'headers' => '',
			);

/**
			 * Filters the contents of the new user notification email sent to the site admin.
			 *
			 * @since 4.9.0
			 *
			 * @param array   $wp_new_user_notification_email_admin {
			 *     Used to build wp_mail().
			 *
			 *     @type string $to      The intended recipient - site admin email address.
			 *     @type string $subject The subject of the email.
			 *     @type string $message The body of the email.
			 *     @type string $headers The headers of the email.
			 * }
			 * @param WP_User $user     User object for new user.
			 * @param string  $blogname The site title.
			 */
			$wp_new_user_notification_email_admin = apply_filters( 'wp_new_user_notification_email_admin', $wp_new_user_notification_email_admin, $user, $blogname );

wp_mail(
				$wp_new_user_notification_email_admin['to'],
				wp_specialchars_decode( sprintf( $wp_new_user_notification_email_admin['subject'], $blogname ) ),
				$wp_new_user_notification_email_admin['message'],
				$wp_new_user_notification_email_admin['headers']
			);

if ( $switched_locale ) {
				restore_previous_locale();
			}
		}

/**
		 * Filters whether the user is notified of their new user registration.
		 *
		 * @since 6.1.0
		 *
		 * @param bool    $send Whether to send the email. Default true.
		 * @param WP_User $user User object for new user.
		 */
		$send_notification_to_user = apply_filters( 'wp_send_new_user_notification_to_user', true, $user );

// `$deprecated` was pre-4.3 `$plaintext_pass`. An empty `$plaintext_pass` didn't sent a user notification.
		if ( 'admin' === $notify || true !== $send_notification_to_user || ( empty( $deprecated ) && empty( $notify ) ) ) {
			return;
		}

$key = get_password_reset_key( $user );
		if ( is_wp_error( $key ) ) {
			return;
		}

$switched_locale = switch_to_user_locale( $user_id );

/* translators: %s: User login. */
		$message  = sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n";
		$message .= __( 'To set your password, visit the following address:' ) . "\r\n\r\n";

/*
		 * Since some user login names end in a period, this could produce ambiguous URLs that
		 * end in a period. To avoid the ambiguity, ensure that the login is not the last query
		 * arg in the URL. If moving it to the end, a trailing period will need to be escaped.
		 *
		 * @see https://core.trac.wordpress.org/tickets/42957
		 */
		$message .= network_site_url( 'wp-login.php?login=' . rawurlencode( $user->user_login ) . "&key=$key&action=rp", 'login' ) . "\r\n\r\n";

$message .= wp_login_url() . "\r\n";

$wp_new_user_notification_email = array(
			'to'      => $user->user_email,
			/* translators: Login details notification email subject. %s: Site title. */
			'subject' => __( '[%s] Login Details' ),
			'message' => $message,
			'headers' => '',
		);

/**
		 * Filters the contents of the new user notification email sent to the new user.
		 *
		 * @since 4.9.0
		 *
		 * @param array   $wp_new_user_notification_email {
		 *     Used to build wp_mail().
		 *
		 *     @type string $to      The intended recipient - New user email address.
		 *     @type string $subject The subject of the email.
		 *     @type string $message The body of the email.
		 *     @type string $headers The headers of the email.
		 * }
		 * @param WP_User $user     User object for new user.
		 * @param string  $blogname The site title.
		 */
		$wp_new_user_notification_email = apply_filters( 'wp_new_user_notification_email', $wp_new_user_notification_email, $user, $blogname );

wp_mail(
			$wp_new_user_notification_email['to'],
			wp_specialchars_decode( sprintf( $wp_new_user_notification_email['subject'], $blogname ) ),
			$wp_new_user_notification_email['message'],
			$wp_new_user_notification_email['headers']
		);

if ( $switched_locale ) {
			restore_previous_locale();
		}
	}
endif;

if ( ! function_exists( 'wp_nonce_tick' ) ) :
	/**
	 * Returns the time-dependent variable for nonce creation.
	 *
	 * A nonce has a lifespan of two ticks. Nonces in their second tick may be
	 * updated, e.g. by autosave.
	 *
	 * @since 2.5.0
	 * @since 6.1.0 Added `$action` argument.
	 *
	 * @param string|int $action Optional. The nonce action. Default -1.
	 * @return float Float value rounded up to the next highest integer.
	 */
	function wp_nonce_tick( $action = -1 ) {
		/**
		 * Filters the lifespan of nonces in seconds.
		 *
		 * @since 2.5.0
		 * @since 6.1.0 Added `$action` argument to allow for more targeted filters.
		 *
		 * @param int        $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day.
		 * @param string|int $action   The nonce action, or -1 if none was provided.
		 */
		$nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS, $action );

return ceil( time() / ( $nonce_life / 2 ) );
	}
endif;

if ( ! function_exists( 'wp_verify_nonce' ) ) :
	/**
	 * Verifies that a correct security nonce was used with time limit.
	 *
	 * A nonce is valid for between 12 and 24 hours (by default).
	 *
	 * @since 2.0.3
	 *
	 * @param string     $nonce  Nonce value that was used for verification, usually via a form field.
	 * @param string|int $action Should give context to what is taking place and be the same when nonce was created.
	 * @return int|false 1 if the nonce is valid and generated between 0-12 hours ago,
	 *                   2 if the nonce is valid and generated between 12-24 hours ago.
	 *                   False if the nonce is invalid.
	 */
	function wp_verify_nonce( $nonce, $action = -1 ) {
		$nonce = (string) $nonce;
		$user  = wp_get_current_user();
		$uid   = (int) $user->ID;
		if ( ! $uid ) {
			/**
			 * Filters whether the user who generated the nonce is logged out.
			 *
			 * @since 3.5.0
			 *
			 * @param int        $uid    ID of the nonce-owning user.
			 * @param string|int $action The nonce action, or -1 if none was provided.
			 */
			$uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
		}

if ( empty( $nonce ) ) {
			return false;
		}

$token = wp_get_session_token();
		$i     = wp_nonce_tick( $action );

// Nonce generated 0-12 hours ago.
		$expected = substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
		if ( hash_equals( $expected, $nonce ) ) {
			return 1;
		}

// Nonce generated 12-24 hours ago.
		$expected = substr( wp_hash( ( $i - 1 ) . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
		if ( hash_equals( $expected, $nonce ) ) {
			return 2;
		}

/**
		 * Fires when nonce verification fails.
		 *
		 * @since 4.4.0
		 *
		 * @param string     $nonce  The invalid nonce.
		 * @param string|int $action The nonce action.
		 * @param WP_User    $user   The current user object.
		 * @param string     $token  The user's session token.
		 */
		do_action( 'wp_verify_nonce_failed', $nonce, $action, $user, $token );

// Invalid nonce.
		return false;
	}
endif;

if ( ! function_exists( 'wp_create_nonce' ) ) :
	/**
	 * Creates a cryptographic token tied to a specific action, user, user session,
	 * and window of time.
	 *
	 * @since 2.0.3
	 * @since 4.0.0 Session tokens were integrated with nonce creation.
	 *
	 * @param string|int $action Scalar value to add context to the nonce.
	 * @return string The token.
	 */
	function wp_create_nonce( $action = -1 ) {
		$user = wp_get_current_user();
		$uid  = (int) $user->ID;
		if ( ! $uid ) {
			/** This filter is documented in wp-includes/pluggable.php */
			$uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
		}

$token = wp_get_session_token();
		$i     = wp_nonce_tick( $action );

return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
	}
endif;

if ( ! function_exists( 'wp_salt' ) ) :
	/**
	 * Returns a salt to add to hashes.
	 *
	 * Salts are created using secret keys. Secret keys are located in two places:
	 * in the database and in the wp-config.php file. The secret key in the database
	 * is randomly generated and will be appended to the secret keys in wp-config.php.
	 *
	 * The secret keys in wp-config.php should be updated to strong, random keys to maximize
	 * security. Below is an example of how the secret key constants are defined.
	 * Do not paste this example directly into wp-config.php. Instead, have a
	 * {@link https://api.wordpress.org/secret-key/1.1/salt/ secret key created} just
	 * for you.
	 *
	 *     define('AUTH_KEY',         ' Xakm<o xQy rw4EMsLKM-?!T+,PFF})H4lzcW57AF0U@N@< >M%G4Yt>f`z]MON');
	 *     define('SECURE_AUTH_KEY',  'LzJ}op]mr|6+![P}Ak:uNdJCJZd>(Hx.-Mh#Tz)pCIU#uGEnfFz|f ;;eU%/U^O~');
	 *     define('LOGGED_IN_KEY',    '|i|Ux`9<p-h$aFf(qnT:sDO:D1P^wZ$$/Ra@miTJi9G;ddp_<q}6H1)o|a +&JCM');
	 *     define('NONCE_KEY',        '%:R{[P|,s.KuMltH5}cI;/k<Gx~j!f0I)m_sIyu+&NJZ)-iO>z7X>QYR0Z_XnZ@|');
	 *     define('AUTH_SALT',        'eZyT)-Naw]F8CwA*VaW#q*|.)g@o}||wf~@C-YSt}(dh_r6EbI#A,y|nU2{B#JBW');
	 *     define('SECURE_AUTH_SALT', '!=oLUTXh,QW=H `}`L|9/^4-3 STz},T(w}W<I`.JjPi)<Bmf1v,HpGe}T1:Xt7n');
	 *     define('LOGGED_IN_SALT',   '+XSqHc;@Q*K_b|Z?NC[3H!!EONbh.n<+=uKR:>*c(u`g~EJBf#8u#R{mUEZrozmm');
	 *     define('NONCE_SALT',       'h`GXHhD>SLWVfg1(1(N{;.V!MoE(SfbA_ksP@&`+AycHcAV$+?@3q+rxV{%^VyKT');
	 *
	 * Salting passwords helps against tools which has stored hashed values of
	 * common dictionary strings. The added values makes it harder to crack.
	 *
	 * @since 2.5.0
	 *
	 * @link https://api.wordpress.org/secret-key/1.1/salt/ Create secrets for wp-config.php
	 *
	 * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce).
	 * @return string Salt value
	 */
	function wp_salt( $scheme = 'auth' ) {
		static $cached_salts = array();
		if ( isset( $cached_salts[ $scheme ] ) ) {
			/**
			 * Filters the WordPress salt.
			 *
			 * @since 2.5.0
			 *
			 * @param string $cached_salt Cached salt for the given scheme.
			 * @param string $scheme      Authentication scheme. Values include 'auth',
			 *                            'secure_auth', 'logged_in', and 'nonce'.
			 */
			return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
		}

static $duplicated_keys;
		if ( null === $duplicated_keys ) {
			$duplicated_keys = array();

foreach ( array( 'AUTH', 'SECURE_AUTH', 'LOGGED_IN', 'NONCE', 'SECRET' ) as $first ) {
				foreach ( array( 'KEY', 'SALT' ) as $second ) {
					if ( ! defined( "{$first}_{$second}" ) ) {
						continue;
					}
					$value                     = constant( "{$first}_{$second}" );
					$duplicated_keys[ $value ] = isset( $duplicated_keys[ $value ] );
				}
			}

$duplicated_keys['put your unique phrase here'] = true;

/*
			 * translators: This string should only be translated if wp-config-sample.php is localized.
			 * You can check the localized release package or
			 * https://i18n.svn.wordpress.org/<locale code>/branches/<wp version>/dist/wp-config-sample.php
			 */
			$duplicated_keys[ __( 'put your unique phrase here' ) ] = true;
		}

/*
		 * Determine which options to prime.
		 *
		 * If the salt keys are undefined, use a duplicate value or the
		 * default `put your unique phrase here` value the salt will be
		 * generated via `wp_generate_password()` and stored as a site
		 * option. These options will be primed to avoid repeated
		 * database requests for undefined salts.
		 */
		$options_to_prime = array();
		foreach ( array( 'auth', 'secure_auth', 'logged_in', 'nonce' ) as $key ) {
			foreach ( array( 'key', 'salt' ) as $second ) {
				$const = strtoupper( "{$key}_{$second}" );
				if ( ! defined( $const ) || true === $duplicated_keys[ constant( $const ) ] ) {
					$options_to_prime[] = "{$key}_{$second}";
				}
			}
		}

if ( ! empty( $options_to_prime ) ) {
			/*
			 * Also prime `secret_key` used for undefined salting schemes.
			 *
			 * If the scheme is unknown, the default value for `secret_key` will be
			 * used too for the salt. This should rarely happen, so the option is only
			 * primed if other salts are undefined.
			 *
			 * At this point of execution it is known that a database call will be made
			 * to prime salts, so the `secret_key` option can be primed regardless of the
			 * constants status.
			 */
			$options_to_prime[] = 'secret_key';
			wp_prime_site_option_caches( $options_to_prime );
		}

$values = array(
			'key'  => '',
			'salt' => '',
		);
		if ( defined( 'SECRET_KEY' ) && SECRET_KEY && empty( $duplicated_keys[ SECRET_KEY ] ) ) {
			$values['key'] = SECRET_KEY;
		}
		if ( 'auth' === $scheme && defined( 'SECRET_SALT' ) && SECRET_SALT && empty( $duplicated_keys[ SECRET_SALT ] ) ) {
			$values['salt'] = SECRET_SALT;
		}

if ( in_array( $scheme, array( 'auth', 'secure_auth', 'logged_in', 'nonce' ), true ) ) {
			foreach ( array( 'key', 'salt' ) as $type ) {
				$const = strtoupper( "{$scheme}_{$type}" );
				if ( defined( $const ) && constant( $const ) && empty( $duplicated_keys[ constant( $const ) ] ) ) {
					$values[ $type ] = constant( $const );
				} elseif ( ! $values[ $type ] ) {
					$values[ $type ] = get_site_option( "{$scheme}_{$type}" );
					if ( ! $values[ $type ] ) {
						$values[ $type ] = wp_generate_password( 64, true, true );
						update_site_option( "{$scheme}_{$type}", $values[ $type ] );
					}
				}
			}
		} else {
			if ( ! $values['key'] ) {
				$values['key'] = get_site_option( 'secret_key' );
				if ( ! $values['key'] ) {
					$values['key'] = wp_generate_password( 64, true, true );
					update_site_option( 'secret_key', $values['key'] );
				}
			}
			$values['salt'] = hash_hmac( 'md5', $scheme, $values['key'] );
		}

$cached_salts[ $scheme ] = $values['key'] . $values['salt'];

/** This filter is documented in wp-includes/pluggable.php */
		return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
	}
endif;

if ( ! function_exists( 'wp_hash' ) ) :
	/**
	 * Gets the hash of the given string.
	 *
	 * The default algorithm is md5 but can be changed to any algorithm supported by
	 * `hash_hmac()`. Use the `hash_hmac_algos()` function to check the supported
	 * algorithms.
	 *
	 * @since 2.0.3
	 * @since 6.8.0 The `$algo` parameter was added.
	 *
	 * @throws InvalidArgumentException if the hashing algorithm is not supported.
	 *
	 * @param string $data   Plain text to hash.
	 * @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce).
	 * @param string $algo   Hashing algorithm to use. Default: 'md5'.
	 * @return string Hash of $data.
	 */
	function wp_hash( $data, $scheme = 'auth', $algo = 'md5' ) {
		$salt = wp_salt( $scheme );

// Ensure the algorithm is supported by the hash_hmac function.
		if ( ! in_array( $algo, hash_hmac_algos(), true ) ) {
			throw new InvalidArgumentException(
				sprintf(
					/* translators: 1: Name of a cryptographic hash algorithm. 2: List of supported algorithms. */
					__( 'Unsupported hashing algorithm: %1$s. Supported algorithms are: %2$s' ),
					$algo,
					implode( ', ', hash_hmac_algos() )
				)
			);
		}

return hash_hmac( $algo, $data, $salt );
	}
endif;

if ( ! function_exists( 'wp_hash_password' ) ) :
	/**
	 * Creates a hash of a plain text password.
	 *
	 * For integration with other applications, this function can be overwritten to
	 * instead use the other package password hashing algorithm.
	 *
	 * @since 2.5.0
	 * @since 6.8.0 The password is now hashed using bcrypt by default instead of phpass.
	 *
	 * @global PasswordHash $wp_hasher phpass object.
	 *
	 * @param string $password Plain text user password to hash.
	 * @return string The hash string of the password.
	 */
	function wp_hash_password(
		#[\SensitiveParameter]
		$password
	) {
		global $wp_hasher;

if ( ! empty( $wp_hasher ) ) {
			return $wp_hasher->HashPassword( trim( $password ) );
		}

if ( strlen( $password ) > 4096 ) {
			return '*';
		}

/**
		 * Filters the hashing algorithm to use in the password_hash() and password_needs_rehash() functions.
		 *
		 * The default is the value of the `PASSWORD_BCRYPT` constant which means bcrypt is used.
		 *
		 * **Important:** The only password hashing algorithm that is guaranteed to be available across PHP
		 * installations is bcrypt. If you use any other algorithm you must make sure that it is available on
		 * the server. The `password_algos()` function can be used to check which hashing algorithms are available.
		 *
		 * The hashing options can be controlled via the {@see 'wp_hash_password_options'} filter.
		 *
		 * Other available constants include:
		 *
		 * - `PASSWORD_ARGON2I`
		 * - `PASSWORD_ARGON2ID`
		 * - `PASSWORD_DEFAULT`
		 *
		 * @since 6.8.0
		 *
		 * @param string $algorithm The hashing algorithm. Default is the value of the `PASSWORD_BCRYPT` constant.
		 */
		$algorithm = apply_filters( 'wp_hash_password_algorithm', PASSWORD_BCRYPT );

/**
		 * Filters the options passed to the password_hash() and password_needs_rehash() functions.
		 *
		 * The default hashing algorithm is bcrypt, but this can be changed via the {@see 'wp_hash_password_algorithm'}
		 * filter. You must ensure that the options are appropriate for the algorithm in use.
		 *
		 * @since 6.8.0
		 *
		 * @param array $options    Array of options to pass to the password hashing functions.
		 *                          By default this is an empty array which means the default
		 *                          options will be used.
		 * @param string $algorithm The hashing algorithm in use.
		 */
		$options = apply_filters( 'wp_hash_password_options', array(), $algorithm );

// Algorithms other than bcrypt don't need to use pre-hashing.
		if ( PASSWORD_BCRYPT !== $algorithm ) {
			return password_hash( $password, $algorithm, $options );
		}

// Use SHA-384 to retain entropy from a password that's longer than 72 bytes, and a `wp-sha384` key for domain separation.
		$password_to_hash = base64_encode( hash_hmac( 'sha384', trim( $password ), 'wp-sha384', true ) );

// Add a prefix to facilitate distinguishing vanilla bcrypt hashes.
		return '$wp' . password_hash( $password_to_hash, $algorithm, $options );
	}
endif;

if ( ! function_exists( 'wp_check_password' ) ) :
	/**
	 * Checks a plaintext password against a hashed password.
	 *
	 * Note that this function may be used to check a value that is not a user password.
	 * A plugin may use this function to check a password of a different type, and there
	 * may not always be a user ID associated with the password.
	 *
	 * For integration with other applications, this function can be overwritten to
	 * instead use the other package password hashing algorithm.
	 *
	 * @since 2.5.0
	 * @since 6.8.0 Passwords in WordPress are now hashed with bcrypt by default. A
	 *              password that wasn't hashed with bcrypt will be checked with phpass.
	 *
	 * @global PasswordHash $wp_hasher phpass object. Used as a fallback for verifying
	 *                                 passwords that were hashed with phpass.
	 *
	 * @param string     $password Plaintext password.
	 * @param string     $hash     Hash of the password to check against.
	 * @param string|int $user_id  Optional. ID of a user associated with the password.
	 * @return bool False, if the $password does not match the hashed password.
	 */
	function wp_check_password(
		#[\SensitiveParameter]
		$password,
		$hash,
		$user_id = ''
	) {
		global $wp_hasher;

if ( strlen( $hash ) <= 32 ) {
			// Check the hash using md5 regardless of the current hashing mechanism.
			$check = hash_equals( $hash, md5( $password ) );
		} elseif ( ! empty( $wp_hasher ) ) {
			// Check the password using the overridden hasher.
			$check = $wp_hasher->CheckPassword( $password, $hash );
		} elseif ( strlen( $password ) > 4096 ) {
			// Passwords longer than 4096 characters are not supported.
			$check = false;
		} elseif ( str_starts_with( $hash, '$wp' ) ) {
			// Check the password using the current prefixed hash.
			$password_to_verify = base64_encode( hash_hmac( 'sha384', $password, 'wp-sha384', true ) );
			$check              = password_verify( $password_to_verify, substr( $hash, 3 ) );
		} elseif ( str_starts_with( $hash, '$P$' ) ) {
			// Check the password using phpass.
			require_once ABSPATH . WPINC . '/class-phpass.php';
			$check = ( new PasswordHash( 8, true ) )->CheckPassword( $password, $hash );
		} else {
			// Check the password using compat support for any non-prefixed hash.
			$check = password_verify( $password, $hash );
		}

/**
		 * Filters whether the plaintext password matches the hashed password.
		 *
		 * @since 2.5.0
		 * @since 6.8.0 Passwords are now hashed with bcrypt by default.
		 *              Old passwords may still be hashed with phpass or md5.
		 *
		 * @param bool       $check    Whether the passwords match.
		 * @param string     $password The plaintext password.
		 * @param string     $hash     The hashed password.
		 * @param string|int $user_id  Optional ID of a user associated with the password.
		 *                             Can be empty.
		 */
		return apply_filters( 'check_password', $check, $password, $hash, $user_id );
	}
endif;

if ( ! function_exists( 'wp_password_needs_rehash' ) ) :
	/**
	 * Checks whether a password hash needs to be rehashed.
	 *
	 * Passwords are hashed with bcrypt using the default cost. A password hashed in a prior version
	 * of WordPress may still be hashed with phpass and will need to be rehashed. If the default cost
	 * or algorithm is changed in PHP or WordPress then a password hashed in a previous version will
	 * need to be rehashed.
	 *
	 * Note that, just like wp_check_password(), this function may be used to check a value that is
	 * not a user password. A plugin may use this function to check a password of a different type,
	 * and there may not always be a user ID associated with the password.
	 *
	 * @since 6.8.0
	 *
	 * @global PasswordHash $wp_hasher phpass object.
	 *
	 * @param string     $hash    Hash of a password to check.
	 * @param string|int $user_id Optional. ID of a user associated with the password.
	 * @return bool Whether the hash needs to be rehashed.
	 */
	function wp_password_needs_rehash( $hash, $user_id = '' ) {
		global $wp_hasher;

if ( ! empty( $wp_hasher ) ) {
			return false;
		}

/** This filter is documented in wp-includes/pluggable.php */
		$algorithm = apply_filters( 'wp_hash_password_algorithm', PASSWORD_BCRYPT );

/** This filter is documented in wp-includes/pluggable.php */
		$options = apply_filters( 'wp_hash_password_options', array(), $algorithm );

$prefixed = str_starts_with( $hash, '$wp' );

if ( ( PASSWORD_BCRYPT === $algorithm ) && ! $prefixed ) {
			// If bcrypt is in use and the hash is not prefixed then it needs to be rehashed.
			$needs_rehash = true;
		} else {
			// Otherwise check the hash minus its prefix if necessary.
			$hash_to_check = $prefixed ? substr( $hash, 3 ) : $hash;
			$needs_rehash  = password_needs_rehash( $hash_to_check, $algorithm, $options );
		}

/**
		 * Filters whether the password hash needs to be rehashed.
		 *
		 * @since 6.8.0
		 *
		 * @param bool       $needs_rehash Whether the password hash needs to be rehashed.
		 * @param string     $hash         The password hash.
		 * @param string|int $user_id      Optional. ID of a user associated with the password.
		 */
		return apply_filters( 'password_needs_rehash', $needs_rehash, $hash, $user_id );
	}
endif;

if ( ! function_exists( 'wp_generate_password' ) ) :
	/**
	 * Generates a random password drawn from the defined set of characters.
	 *
	 * Uses wp_rand() to create passwords with far less predictability
	 * than similar native PHP functions like `rand()` or `mt_rand()`.
	 *
	 * @since 2.5.0
	 *
	 * @param int  $length              Optional. The length of password to generate. Default 12.
	 * @param bool $special_chars       Optional. Whether to include standard special characters.
	 *                                  Default true.
	 * @param bool $extra_special_chars Optional. Whether to include other special characters.
	 *                                  Used when generating secret keys and salts. Default false.
	 * @return string The random password.
	 */
	function wp_generate_password( $length = 12, $special_chars = true, $extra_special_chars = false ) {
		$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
		if ( $special_chars ) {
			$chars .= '!@#$%^&*()';
		}
		if ( $extra_special_chars ) {
			$chars .= '-_ []{}<>~`+=,.;:/?|';
		}

$password = '';
		for ( $i = 0; $i < $length; $i++ ) {
			$password .= substr( $chars, wp_rand( 0, strlen( $chars ) - 1 ), 1 );
		}

/**
		 * Filters the randomly-generated password.
		 *
		 * @since 3.0.0
		 * @since 5.3.0 Added the `$length`, `$special_chars`, and `$extra_special_chars` parameters.
		 *
		 * @param string $password            The generated password.
		 * @param int    $length              The length of password to generate.
		 * @param bool   $special_chars       Whether to include standard special characters.
		 * @param bool   $extra_special_chars Whether to include other special characters.
		 */
		return apply_filters( 'random_password', $password, $length, $special_chars, $extra_special_chars );
	}
endif;

if ( ! function_exists( 'wp_rand' ) ) :
	/**
	 * Generates a random non-negative number.
	 *
	 * @since 2.6.2
	 * @since 4.4.0 Uses PHP7 random_int() or the random_compat library if available.
	 * @since 6.1.0 Returns zero instead of a random number if both `$min` and `$max` are zero.
	 *
	 * @global string $rnd_value
	 *
	 * @param int $min Optional. Lower limit for the generated number.
	 *                 Accepts positive integers or zero. Defaults to 0.
	 * @param int $max Optional. Upper limit for the generated number.
	 *                 Accepts positive integers. Defaults to 4294967295.
	 * @return int A random non-negative number between min and max.
	 */
	function wp_rand( $min = null, $max = null ) {
		global $rnd_value;

/*
		 * Some misconfigured 32-bit environments (Entropy PHP, for example)
		 * truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats.
		 */
		$max_random_number = 3000000000 === 2147483647 ? (float) '4294967295' : 4294967295; // 4294967295 = 0xffffffff

if ( null === $min ) {
			$min = 0;
		}

if ( null === $max ) {
			$max = $max_random_number;
		}

// We only handle ints, floats are truncated to their integer value.
		$min = (int) $min;
		$max = (int) $max;

// Use PHP's CSPRNG, or a compatible method.
		static $use_random_int_functionality = true;
		if ( $use_random_int_functionality ) {
			try {
				// wp_rand() can accept arguments in either order, PHP cannot.
				$_max = max( $min, $max );
				$_min = min( $min, $max );
				$val  = random_int( $_min, $_max );
				if ( false !== $val ) {
					return absint( $val );
				} else {
					$use_random_int_functionality = false;
				}
			} catch ( Error $e ) {
				$use_random_int_functionality = false;
			} catch ( Exception $e ) {
				$use_random_int_functionality = false;
			}
		}

/*
		 * Reset $rnd_value after 14 uses.
		 * 32 (md5) + 40 (sha1) + 40 (sha1) / 8 = 14 random numbers from $rnd_value.
		 */
		if ( strlen( $rnd_value ) < 8 ) {
			if ( defined( 'WP_SETUP_CONFIG' ) ) {
				static $seed = '';
			} else {
				$seed = get_transient( 'random_seed' );
			}
			$rnd_value  = md5( uniqid( microtime() . mt_rand(), true ) . $seed );
			$rnd_value .= sha1( $rnd_value );
			$rnd_value .= sha1( $rnd_value . $seed );
			$seed       = md5( $seed . $rnd_value );
			if ( ! defined( 'WP_SETUP_CONFIG' ) && ! defined( 'WP_INSTALLING' ) ) {
				set_transient( 'random_seed', $seed );
			}
		}

// Take the first 8 digits for our value.
		$value = substr( $rnd_value, 0, 8 );

// Strip the first eight, leaving the remainder for the next call to wp_rand().
		$rnd_value = substr( $rnd_value, 8 );

$value = abs( hexdec( $value ) );

// Reduce the value to be within the min - max range.
		$value = $min + ( $max - $min + 1 ) * $value / ( $max_random_number + 1 );

return abs( (int) $value );
	}
endif;

if ( ! function_exists( 'wp_set_password' ) ) :
	/**
	 * Updates the user's password with a new hashed one.
	 *
	 * For integration with other applications, this function can be overwritten to
	 * instead use the other package password checking algorithm.
	 *
	 * Please note: This function should be used sparingly and is really only meant for single-time
	 * application. Leveraging this improperly in a plugin or theme could result in an endless loop
	 * of password resets if precautions are not taken to ensure it does not execute on every page load.
	 *
	 * @since 2.5.0
	 * @since 6.8.0 The password is now hashed using bcrypt by default instead of phpass.
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param string $password The plaintext new user password.
	 * @param int    $user_id  User ID.
	 */
	function wp_set_password(
		#[\SensitiveParameter]
		$password,
		$user_id
	) {
		global $wpdb;

$old_user_data = get_userdata( $user_id );

$hash = wp_hash_password( $password );
		$wpdb->update(
			$wpdb->users,
			array(
				'user_pass'           => $hash,
				'user_activation_key' => '',
			),
			array( 'ID' => $user_id )
		);

clean_user_cache( $user_id );

/**
		 * Fires after the user password is set.
		 *
		 * @since 6.2.0
		 * @since 6.7.0 The `$old_user_data` parameter was added.
		 *
		 * @param string  $password      The plaintext password just set.
		 * @param int     $user_id       The ID of the user whose password was just set.
		 * @param WP_User $old_user_data Object containing user's data prior to update.
		 */
		do_action( 'wp_set_password', $password, $user_id, $old_user_data );
	}
endif;

if ( ! function_exists( 'get_avatar' ) ) :
	/**
	 * Retrieves the avatar `<img>` tag for a user, email address, MD5 hash, comment, or post.
	 *
	 * @since 2.5.0
	 * @since 4.2.0 Added the optional `$args` parameter.
	 * @since 5.5.0 Added the `loading` argument.
	 * @since 6.1.0 Added the `decoding` argument.
	 * @since 6.3.0 Added the `fetchpriority` argument.
	 *
	 * @param mixed  $id_or_email   The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash,
	 *                              user email, WP_User object, WP_Post object, or WP_Comment object.
	 * @param int    $size          Optional. Height and width of the avatar in pixels. Default 96.
	 * @param string $default_value URL for the default image or a default type. Accepts:
	 *                              - '404' (return a 404 instead of a default image)
	 *                              - 'retro' (a 8-bit arcade-style pixelated face)
	 *                              - 'robohash' (a robot)
	 *                              - 'monsterid' (a monster)
	 *                              - 'wavatar' (a cartoon face)
	 *                              - 'identicon' (the "quilt", a geometric pattern)
	 *                              - 'mystery', 'mm', or 'mysteryman' (The Oyster Man)
	 *                              - 'blank' (transparent GIF)
	 *                              - 'gravatar_default' (the Gravatar logo)
	 *                              Default is the value of the 'avatar_default' option,
	 *                              with a fallback of 'mystery'.
	 * @param string $alt           Optional. Alternative text to use in the avatar image tag.
	 *                              Default empty.
	 * @param array  $args {
	 *     Optional. Extra arguments to retrieve the avatar.
	 *
	 *     @type int          $height        Display height of the avatar in pixels. Defaults to $size.
	 *     @type int          $width         Display width of the avatar in pixels. Defaults to $size.
	 *     @type bool         $force_default Whether to always show the default image, never the Gravatar.
	 *                                       Default false.
	 *     @type string       $rating        What rating to display avatars up to. Accepts:
	 *                                       - 'G' (suitable for all audiences)
	 *                                       - 'PG' (possibly offensive, usually for audiences 13 and above)
	 *                                       - 'R' (intended for adult audiences above 17)
	 *                                       - 'X' (even more mature than above)
	 *                                       Default is the value of the 'avatar_rating' option.
	 *     @type string       $scheme        URL scheme to use. See set_url_scheme() for accepted values.
	 *                                       Default null.
	 *     @type array|string $class         Array or string of additional classes to add to the img element.
	 *                                       Default null.
	 *     @type bool         $force_display Whether to always show the avatar - ignores the show_avatars option.
	 *                                       Default false.
	 *     @type string       $loading       Value for the `loading` attribute.
	 *                                       Default null.
	 *     @type string       $fetchpriority Value for the `fetchpriority` attribute.
	 *                                       Default null.
	 *     @type string       $decoding      Value for the `decoding` attribute.
	 *                                       Default null.
	 *     @type string       $extra_attr    HTML attributes to insert in the IMG element. Is not sanitized.
	 *                                       Default empty.
	 * }
	 * @return string|false `<img>` tag for the user's avatar. False on failure.
	 */
	function get_avatar( $id_or_email, $size = 96, $default_value = '', $alt = '', $args = null ) {
		$defaults = array(
			// get_avatar_data() args.
			'size'          => 96,
			'height'        => null,
			'width'         => null,
			'default'       => get_option( 'avatar_default', 'mystery' ),
			'force_default' => false,
			'rating'        => get_option( 'avatar_rating' ),
			'scheme'        => null,
			'alt'           => '',
			'class'         => null,
			'force_display' => false,
			'loading'       => null,
			'fetchpriority' => null,
			'decoding'      => null,
			'extra_attr'    => '',
		);

if ( empty( $args ) ) {
			$args = array();
		}

$args['size']    = (int) $size;
		$args['default'] = $default_value;
		$args['alt']     = $alt;

$args = wp_parse_args( $args, $defaults );

if ( empty( $args['height'] ) ) {
			$args['height'] = $args['size'];
		}
		if ( empty( $args['width'] ) ) {
			$args['width'] = $args['size'];
		}

// Update args with loading optimized attributes.
		$loading_optimization_attr = wp_get_loading_optimization_attributes( 'img', $args, 'get_avatar' );

$args = array_merge( $args, $loading_optimization_attr );

if ( is_object( $id_or_email ) && isset( $id_or_email->comment_ID ) ) {
			$id_or_email = get_comment( $id_or_email );
		}

/**
		 * Allows the HTML for a user's avatar to be returned early.
		 *
		 * Returning a non-null value will effectively short-circuit get_avatar(), passing
		 * the value through the {@see 'get_avatar'} filter and returning early.
		 *
		 * @since 4.2.0
		 *
		 * @param string|null $avatar      HTML for the user's avatar. Default null.
		 * @param mixed       $id_or_email The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash,
		 *                                 user email, WP_User object, WP_Post object, or WP_Comment object.
		 * @param array       $args        Arguments passed to get_avatar_url(), after processing.
		 */
		$avatar = apply_filters( 'pre_get_avatar', null, $id_or_email, $args );

if ( ! is_null( $avatar ) ) {
			/** This filter is documented in wp-includes/pluggable.php */
			return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args );
		}

if ( ! $args['force_display'] && ! get_option( 'show_avatars' ) ) {
			return false;
		}

$url2x = get_avatar_url( $id_or_email, array_merge( $args, array( 'size' => $args['size'] * 2 ) ) );

$args = get_avatar_data( $id_or_email, $args );

$url = $args['url'];

if ( ! $url || is_wp_error( $url ) ) {
			return false;
		}

$class = array( 'avatar', 'avatar-' . (int) $args['size'], 'photo' );

if ( ! $args['found_avatar'] || $args['force_default'] ) {
			$class[] = 'avatar-default';
		}

if ( $args['class'] ) {
			if ( is_array( $args['class'] ) ) {
				$class = array_merge( $class, $args['class'] );
			} else {
				$class[] = $args['class'];
			}
		}

// Add `loading`, `fetchpriority`, and `decoding` attributes.
		$extra_attr = $args['extra_attr'];

if ( in_array( $args['loading'], array( 'lazy', 'eager' ), true )
			&& ! preg_match( '/\bloading\s*=/', $extra_attr )
		) {
			if ( ! empty( $extra_attr ) ) {
				$extra_attr .= ' ';
			}

$extra_attr .= "loading='{$args['loading']}'";
		}

if ( in_array( $args['fetchpriority'], array( 'high', 'low', 'auto' ), true )
			&& ! preg_match( '/\bfetchpriority\s*=/', $extra_attr )
		) {
			if ( ! empty( $extra_attr ) ) {
				$extra_attr .= ' ';
			}

$extra_attr .= "fetchpriority='{$args['fetchpriority']}'";
		}

if ( in_array( $args['decoding'], array( 'async', 'sync', 'auto' ), true )
			&& ! preg_match( '/\bdecoding\s*=/', $extra_attr )
		) {
			if ( ! empty( $extra_attr ) ) {
				$extra_attr .= ' ';
			}

$extra_attr .= "decoding='{$args['decoding']}'";
		}

$avatar = sprintf(
			"<img alt='%s' src='%s' srcset='%s' class='%s' height='%d' width='%d' %s/>",
			esc_attr( $args['alt'] ),
			esc_url( $url ),
			esc_url( $url2x ) . ' 2x',
			esc_attr( implode( ' ', $class ) ),
			(int) $args['height'],
			(int) $args['width'],
			$extra_attr
		);

/**
		 * Filters the HTML for a user's avatar.
		 *
		 * @since 2.5.0
		 * @since 4.2.0 Added the `$args` parameter.
		 *
		 * @param string $avatar        HTML for the user's avatar.
		 * @param mixed  $id_or_email   The avatar to retrieve. Accepts a user ID, Gravatar MD5 hash,
		 *                              user email, WP_User object, WP_Post object, or WP_Comment object.
		 * @param int    $size          Height and width of the avatar in pixels.
		 * @param string $default_value URL for the default image or a default type. Accepts:
		 *                              - '404' (return a 404 instead of a default image)
		 *                              - 'retro' (a 8-bit arcade-style pixelated face)
		 *                              - 'robohash' (a robot)
		 *                              - 'monsterid' (a monster)
		 *                              - 'wavatar' (a cartoon face)
		 *                              - 'identicon' (the "quilt", a geometric pattern)
		 *                              - 'mystery', 'mm', or 'mysteryman' (The Oyster Man)
		 *                              - 'blank' (transparent GIF)
		 *                              - 'gravatar_default' (the Gravatar logo)
		 * @param string $alt           Alternative text to use in the avatar image tag.
		 * @param array  $args          Arguments passed to get_avatar_data(), after processing.
		 */
		return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args );
	}
endif;

if ( ! function_exists( 'wp_text_diff' ) ) :
	/**
	 * Displays a human readable HTML representation of the difference between two strings.
	 *
	 * The Diff is available for getting the changes between versions. The output is
	 * HTML, so the primary use is for displaying the changes. If the two strings
	 * are equivalent, then an empty string will be returned.
	 *
	 * @since 2.6.0
	 *
	 * @see wp_parse_args() Used to change defaults to user defined settings.
	 * @uses Text_Diff
	 * @uses WP_Text_Diff_Renderer_Table
	 *
	 * @param string       $left_string  "old" (left) version of string.
	 * @param string       $right_string "new" (right) version of string.
	 * @param string|array $args {
	 *     Associative array of options to pass to WP_Text_Diff_Renderer_Table().
	 *
	 *     @type string $title           Titles the diff in a manner compatible
	 *                                   with the output. Default empty.
	 *     @type string $title_left      Change the HTML to the left of the title.
	 *                                   Default empty.
	 *     @type string $title_right     Change the HTML to the right of the title.
	 *                                   Default empty.
	 *     @type bool   $show_split_view True for split view (two columns), false for
	 *                                   un-split view (single column). Default true.
	 * }
	 * @return string Empty string if strings are equivalent or HTML with differences.
	 */
	function wp_text_diff( $left_string, $right_string, $args = null ) {
		$defaults = array(
			'title'           => '',
			'title_left'      => '',
			'title_right'     => '',
			'show_split_view' => true,
		);
		$args     = wp_parse_args( $args, $defaults );

if ( ! class_exists( 'WP_Text_Diff_Renderer_Table', false ) ) {
			require ABSPATH . WPINC . '/wp-diff.php';
		}

$left_string  = normalize_whitespace( $left_string );
		$right_string = normalize_whitespace( $right_string );

$left_lines  = explode( "\n", $left_string );
		$right_lines = explode( "\n", $right_string );
		$text_diff   = new Text_Diff( $left_lines, $right_lines );
		$renderer    = new WP_Text_Diff_Renderer_Table( $args );
		$diff        = $renderer->render( $text_diff );

if ( ! $diff ) {
			return '';
		}

$is_split_view       = ! empty( $args['show_split_view'] );
		$is_split_view_class = $is_split_view ? ' is-split-view' : '';

$r = "<table class='diff$is_split_view_class'>\n";

if ( $args['title'] ) {
			$r .= "<caption class='diff-title'>$args[title]</caption>\n";
		}

if ( $args['title_left'] || $args['title_right'] ) {
			$r .= '<thead>';
		}

if ( $args['title_left'] || $args['title_right'] ) {
			$th_or_td_left  = empty( $args['title_left'] ) ? 'td' : 'th';
			$th_or_td_right = empty( $args['title_right'] ) ? 'td' : 'th';

$r .= "<tr class='diff-sub-title'>\n";
			$r .= "\t<$th_or_td_left>$args[title_left]</$th_or_td_left>\n";
			if ( $is_split_view ) {
				$r .= "\t<$th_or_td_right>$args[title_right]</$th_or_td_right>\n";
			}
			$r .= "</tr>\n";
		}

if ( $args['title_left'] || $args['title_right'] ) {
			$r .= "</thead>\n";
		}

$r .= "<tbody>\n$diff\n</tbody>\n";
		$r .= '</table>';

return $r;
	}
endif;

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