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Edit File : Kernel.php \| Size : 29.82 KB
<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace Symfony\Component\HttpKernel; use Symfony\Bridge\ProxyManager\LazyProxy\Instantiator\RuntimeInstantiator; use Symfony\Bridge\ProxyManager\LazyProxy\PhpDumper\ProxyDumper; use Symfony\Component\Config\ConfigCache; use Symfony\Component\Config\Loader\DelegatingLoader; use Symfony\Component\Config\Loader\LoaderResolver; use Symfony\Component\Debug\DebugClassLoader as LegacyDebugClassLoader; use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface; use Symfony\Component\DependencyInjection\Compiler\PassConfig; use Symfony\Component\DependencyInjection\ContainerBuilder; use Symfony\Component\DependencyInjection\ContainerInterface; use Symfony\Component\DependencyInjection\Dumper\PhpDumper; use Symfony\Component\DependencyInjection\Loader\ClosureLoader; use Symfony\Component\DependencyInjection\Loader\DirectoryLoader; use Symfony\Component\DependencyInjection\Loader\GlobFileLoader; use Symfony\Component\DependencyInjection\Loader\IniFileLoader; use Symfony\Component\DependencyInjection\Loader\PhpFileLoader; use Symfony\Component\DependencyInjection\Loader\XmlFileLoader; use Symfony\Component\DependencyInjection\Loader\YamlFileLoader; use Symfony\Component\ErrorHandler\DebugClassLoader; use Symfony\Component\Filesystem\Filesystem; use Symfony\Component\HttpFoundation\Request; use Symfony\Component\HttpFoundation\Response; use Symfony\Component\HttpKernel\Bundle\BundleInterface; use Symfony\Component\HttpKernel\Config\FileLocator; use Symfony\Component\HttpKernel\DependencyInjection\AddAnnotatedClassesToCachePass; use Symfony\Component\HttpKernel\DependencyInjection\MergeExtensionConfigurationPass; /* * The Kernel is the heart of the Symfony system. * * It manages an environment made of bundles. * * Environment names must always start with a letter and * they must only contain letters and numbers. * * @author Fabien Potencier <fabien@symfony.com> / abstract class Kernel implements KernelInterface, RebootableInterface, TerminableInterface { /* * @var BundleInterface[] / protected $bundles = []; protected $container; /* * @deprecated since Symfony 4.2 / protected $rootDir; protected $environment; protected $debug; protected $booted = false; /* * @deprecated since Symfony 4.2 / protected $name; protected $startTime; private $projectDir; private $warmupDir; private $requestStackSize = 0; private $resetServices = false; private static $freshCache = []; public const VERSION = '4.4.34'; public const VERSION_ID = 40434; public const MAJOR_VERSION = 4; public const MINOR_VERSION = 4; public const RELEASE_VERSION = 34; public const EXTRA_VERSION = ''; public const END_OF_MAINTENANCE = '11/2022'; public const END_OF_LIFE = '11/2023'; public function __construct(string $environment, bool $debug) { $this->environment = $environment; $this->debug = $debug; $this->rootDir = $this->getRootDir(false); $this->name = $this->getName(false); } public function __clone() { $this->booted = false; $this->container = null; $this->requestStackSize = 0; $this->resetServices = false; } /* * {@inheritdoc} / public function boot() { if (true === $this->booted) { if (!$this->requestStackSize && $this->resetServices) { if ($this->container->has('services_resetter')) { $this->container->get('services_resetter')->reset(); } $this->resetServices = false; if ($this->debug) { $this->startTime = microtime(true); } } return; } if ($this->debug) { $this->startTime = microtime(true); } if ($this->debug && !isset($_ENV['SHELL_VERBOSITY']) && !isset($_SERVER['SHELL_VERBOSITY'])) { putenv('SHELL_VERBOSITY=3'); $_ENV['SHELL_VERBOSITY'] = 3; $_SERVER['SHELL_VERBOSITY'] = 3; } // init bundles $this->initializeBundles(); // init container $this->initializeContainer(); foreach ($this->getBundles() as $bundle) { $bundle->setContainer($this->container); $bundle->boot(); } $this->booted = true; } /* * {@inheritdoc} / public function reboot($warmupDir) { $this->shutdown(); $this->warmupDir = $warmupDir; $this->boot(); } /* * {@inheritdoc} / public function terminate(Request $request, Response $response) { if (false === $this->booted) { return; } if ($this->getHttpKernel() instanceof TerminableInterface) { $this->getHttpKernel()->terminate($request, $response); } } /* * {@inheritdoc} / public function shutdown() { if (false === $this->booted) { return; } $this->booted = false; foreach ($this->getBundles() as $bundle) { $bundle->shutdown(); $bundle->setContainer(null); } $this->container = null; $this->requestStackSize = 0; $this->resetServices = false; } /* * {@inheritdoc} / public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true) { $this->boot(); ++$this->requestStackSize; $this->resetServices = true; try { return $this->getHttpKernel()->handle($request, $type, $catch); } finally { --$this->requestStackSize; } } /* * Gets an HTTP kernel from the container. * * @return HttpKernelInterface / protected function getHttpKernel() { return $this->container->get('http_kernel'); } /* * {@inheritdoc} / public function getBundles() { return $this->bundles; } /* * {@inheritdoc} / public function getBundle($name) { if (!isset($this->bundles[$name])) { throw new \InvalidArgumentException(sprintf('Bundle "%s" does not exist or it is not enabled. Maybe you forgot to add it in the "registerBundles()" method of your "%s.php" file?', $name, get_debug_type($this))); } return $this->bundles[$name]; } /* * {@inheritdoc} / public function locateResource($name/, $dir = null, $first = true, $triggerDeprecation = true/) { if (2 <= \func_num_args()) { $dir = func_get_arg(1); $first = 3 <= \func_num_args() ? func_get_arg(2) : true; if (4 !== \func_num_args() \|\| func_get_arg(3)) { @trigger_error(sprintf('Passing more than one argument to %s is deprecated since Symfony 4.4 and will be removed in 5.0.', __METHOD__), \E_USER_DEPRECATED); } } else { $dir = null; $first = true; } if ('@' !== $name[0]) { throw new \InvalidArgumentException(sprintf('A resource name must start with @ ("%s" given).', $name)); } if (str_contains($name, '..')) { throw new \RuntimeException(sprintf('File name "%s" contains invalid characters (..).', $name)); } $bundleName = substr($name, 1); $path = ''; if (str_contains($bundleName, '/')) { [$bundleName, $path] = explode('/', $bundleName, 2); } $isResource = str_starts_with($path, 'Resources') && null !== $dir; $overridePath = substr($path, 9); $bundle = $this->getBundle($bundleName); $files = []; if ($isResource && file_exists($file = $dir.'/'.$bundle->getName().$overridePath)) { $files[] = $file; // see https://symfony.com/doc/current/bundles/override.html on how to overwrite parts of a bundle @trigger_error(sprintf('Overwriting the resource "%s" with "%s" is deprecated since Symfony 4.4 and will be removed in 5.0.', $name, $file), \E_USER_DEPRECATED); } if (file_exists($file = $bundle->getPath().'/'.$path)) { if ($first && !$isResource) { return $file; } $files[] = $file; } if (\count($files) > 0) { return $first && $isResource ? $files[0] : $files; } throw new \InvalidArgumentException(sprintf('Unable to find file "%s".', $name)); } /* * {@inheritdoc} * * @deprecated since Symfony 4.2 / public function getName(/ $triggerDeprecation = true /) { if (0 === \func_num_args() \|\| func_get_arg(0)) { @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.2.', __METHOD__), \E_USER_DEPRECATED); } if (null === $this->name) { $this->name = preg_replace('/[^a-zA-Z0-9_]+/', '', basename($this->rootDir)); if (ctype_digit($this->name[0])) { $this->name = '_'.$this->name; } } return $this->name; } /* * {@inheritdoc} / public function getEnvironment() { return $this->environment; } /* * {@inheritdoc} / public function isDebug() { return $this->debug; } /* * {@inheritdoc} * * @deprecated since Symfony 4.2, use getProjectDir() instead / public function getRootDir(/ $triggerDeprecation = true /) { if (0 === \func_num_args() \|\| func_get_arg(0)) { @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.2, use getProjectDir() instead.', __METHOD__), \E_USER_DEPRECATED); } if (null === $this->rootDir) { $r = new \ReflectionObject($this); $this->rootDir = \dirname($r->getFileName()); } return $this->rootDir; } /* * Gets the application root dir (path of the project's composer file). * * @return string The project root dir / public function getProjectDir() { if (null === $this->projectDir) { $r = new \ReflectionObject($this); if (!file_exists($dir = $r->getFileName())) { throw new \LogicException(sprintf('Cannot auto-detect project dir for kernel of class "%s".', $r->name)); } $dir = $rootDir = \dirname($dir); while (!file_exists($dir.'/composer.json')) { if ($dir === \dirname($dir)) { return $this->projectDir = $rootDir; } $dir = \dirname($dir); } $this->projectDir = $dir; } return $this->projectDir; } /* * {@inheritdoc} / public function getContainer() { if (!$this->container) { @trigger_error('Getting the container from a non-booted kernel is deprecated since Symfony 4.4.', \E_USER_DEPRECATED); } return $this->container; } /* * @internal / public function setAnnotatedClassCache(array $annotatedClasses) { file_put_contents(($this->warmupDir ?: $this->getCacheDir()).'/annotations.map', sprintf('<?php return %s;', var_export($annotatedClasses, true))); } /* * {@inheritdoc} / public function getStartTime() { return $this->debug && null !== $this->startTime ? $this->startTime : -\INF; } /* * {@inheritdoc} / public function getCacheDir() { return $this->getProjectDir().'/var/cache/'.$this->environment; } /* * {@inheritdoc} / public function getLogDir() { return $this->getProjectDir().'/var/log'; } /* * {@inheritdoc} / public function getCharset() { return 'UTF-8'; } /* * Gets the patterns defining the classes to parse and cache for annotations. / public function getAnnotatedClassesToCompile(): array { return []; } /* * Initializes bundles. * * @throws \LogicException if two bundles share a common name / protected function initializeBundles() { // init bundles $this->bundles = []; foreach ($this->registerBundles() as $bundle) { $name = $bundle->getName(); if (isset($this->bundles[$name])) { throw new \LogicException(sprintf('Trying to register two bundles with the same name "%s".', $name)); } $this->bundles[$name] = $bundle; } } /* * The extension point similar to the Bundle::build() method. * * Use this method to register compiler passes and manipulate the container during the building process. / protected function build(ContainerBuilder $container) { } /* * Gets the container class. * * @throws \InvalidArgumentException If the generated classname is invalid * * @return string The container class / protected function getContainerClass() { $class = static::class; $class = str_contains($class, "@anonymous\0") ? get_parent_class($class).str_replace('.', '_', ContainerBuilder::hash($class)) : $class; $class = $this->name.str_replace('\\', '_', $class).ucfirst($this->environment).($this->debug ? 'Debug' : '').'Container'; if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]$/', $class)) { throw new \InvalidArgumentException(sprintf('The environment "%s" contains invalid characters, it can only contain characters allowed in PHP class names.', $this->environment)); } return $class; } /** * Gets the container's base class. * * All names except Container must be fully qualified. * * @return string / protected function getContainerBaseClass() { return 'Container'; } /* * Initializes the service container. * * The cached version of the service container is used when fresh, otherwise the * container is built. / protected function initializeContainer() { $class = $this->getContainerClass(); $cacheDir = $this->warmupDir ?: $this->getCacheDir(); $cache = new ConfigCache($cacheDir.'/'.$class.'.php', $this->debug); $cachePath = $cache->getPath(); // Silence E_WARNING to ignore "include" failures - don't use "@" to prevent silencing fatal errors $errorLevel = error_reporting(\E_ALL ^ \E_WARNING); try { if (file_exists($cachePath) && \is_object($this->container = include $cachePath) && (!$this->debug \|\| (self::$freshCache[$cachePath] ?? $cache->isFresh())) ) { self::$freshCache[$cachePath] = true; $this->container->set('kernel', $this); error_reporting($errorLevel); return; } } catch (\Throwable $e) { } $oldContainer = \is_object($this->container) ? new \ReflectionClass($this->container) : $this->container = null; try { is_dir($cacheDir) ?: mkdir($cacheDir, 0777, true); if ($lock = fopen($cachePath.'.lock', 'w')) { flock($lock, \LOCK_EX \| \LOCK_NB, $wouldBlock); if (!flock($lock, $wouldBlock ? \LOCK_SH : \LOCK_EX)) { fclose($lock); $lock = null; } elseif (!is_file($cachePath) \|\| !\is_object($this->container = include $cachePath)) { $this->container = null; } elseif (!$oldContainer \|\| \get_class($this->container) !== $oldContainer->name) { flock($lock, \LOCK_UN); fclose($lock); $this->container->set('kernel', $this); return; } } } catch (\Throwable $e) { } finally { error_reporting($errorLevel); } if ($collectDeprecations = $this->debug && !\defined('PHPUNIT_COMPOSER_INSTALL')) { $collectedLogs = []; $previousHandler = set_error_handler(function ($type, $message, $file, $line) use (&$collectedLogs, &$previousHandler) { if (\E_USER_DEPRECATED !== $type && \E_DEPRECATED !== $type) { return $previousHandler ? $previousHandler($type, $message, $file, $line) : false; } if (isset($collectedLogs[$message])) { ++$collectedLogs[$message]['count']; return null; } $backtrace = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS, 5); // Clean the trace by removing first frames added by the error handler itself. for ($i = 0; isset($backtrace[$i]); ++$i) { if (isset($backtrace[$i]['file'], $backtrace[$i]['line']) && $backtrace[$i]['line'] === $line && $backtrace[$i]['file'] === $file) { $backtrace = \array_slice($backtrace, 1 + $i); break; } } // Remove frames added by DebugClassLoader. for ($i = \count($backtrace) - 2; 0 < $i; --$i) { if (\in_array($backtrace[$i]['class'] ?? null, [DebugClassLoader::class, LegacyDebugClassLoader::class], true)) { $backtrace = [$backtrace[$i + 1]]; break; } } $collectedLogs[$message] = [ 'type' => $type, 'message' => $message, 'file' => $file, 'line' => $line, 'trace' => [$backtrace[0]], 'count' => 1, ]; return null; }); } try { $container = null; $container = $this->buildContainer(); $container->compile(); } finally { if ($collectDeprecations) { restore_error_handler(); @file_put_contents($cacheDir.'/'.$class.'Deprecations.log', serialize(array_values($collectedLogs))); @file_put_contents($cacheDir.'/'.$class.'Compiler.log', null !== $container ? implode("\n", $container->getCompiler()->getLog()) : ''); } } $this->dumpContainer($cache, $container, $class, $this->getContainerBaseClass()); if ($lock) { flock($lock, \LOCK_UN); fclose($lock); } $this->container = require $cachePath; $this->container->set('kernel', $this); if ($oldContainer && \get_class($this->container) !== $oldContainer->name) { // Because concurrent requests might still be using them, // old container files are not removed immediately, // but on a next dump of the container. static $legacyContainers = []; $oldContainerDir = \dirname($oldContainer->getFileName()); $legacyContainers[$oldContainerDir.'.legacy'] = true; foreach (glob(\dirname($oldContainerDir).\DIRECTORY_SEPARATOR.'.legacy', \GLOB_NOSORT) as $legacyContainer) { if (!isset($legacyContainers[$legacyContainer]) && @unlink($legacyContainer)) { (new Filesystem())->remove(substr($legacyContainer, 0, -7)); } } touch($oldContainerDir.'.legacy'); } if ($this->container->has('cache_warmer')) { $this->container->get('cache_warmer')->warmUp($this->container->getParameter('kernel.cache_dir')); } } /** * Returns the kernel parameters. * * @return array An array of kernel parameters / protected function getKernelParameters() { $bundles = []; $bundlesMetadata = []; foreach ($this->bundles as $name => $bundle) { $bundles[$name] = \get_class($bundle); $bundlesMetadata[$name] = [ 'path' => $bundle->getPath(), 'namespace' => $bundle->getNamespace(), ]; } return [ / * @deprecated since Symfony 4.2, use kernel.project_dir instead / 'kernel.root_dir' => realpath($this->rootDir) ?: $this->rootDir, 'kernel.project_dir' => realpath($this->getProjectDir()) ?: $this->getProjectDir(), 'kernel.environment' => $this->environment, 'kernel.debug' => $this->debug, / * @deprecated since Symfony 4.2 / 'kernel.name' => $this->name, 'kernel.cache_dir' => realpath($cacheDir = $this->warmupDir ?: $this->getCacheDir()) ?: $cacheDir, 'kernel.logs_dir' => realpath($this->getLogDir()) ?: $this->getLogDir(), 'kernel.bundles' => $bundles, 'kernel.bundles_metadata' => $bundlesMetadata, 'kernel.charset' => $this->getCharset(), 'kernel.container_class' => $this->getContainerClass(), ]; } /* * Builds the service container. * * @return ContainerBuilder The compiled service container * * @throws \RuntimeException / protected function buildContainer() { foreach (['cache' => $this->warmupDir ?: $this->getCacheDir(), 'logs' => $this->getLogDir()] as $name => $dir) { if (!is_dir($dir)) { if (false === @mkdir($dir, 0777, true) && !is_dir($dir)) { throw new \RuntimeException(sprintf('Unable to create the "%s" directory (%s).', $name, $dir)); } } elseif (!is_writable($dir)) { throw new \RuntimeException(sprintf('Unable to write in the "%s" directory (%s).', $name, $dir)); } } $container = $this->getContainerBuilder(); $container->addObjectResource($this); $this->prepareContainer($container); if (null !== $cont = $this->registerContainerConfiguration($this->getContainerLoader($container))) { $container->merge($cont); } $container->addCompilerPass(new AddAnnotatedClassesToCachePass($this)); return $container; } /* * Prepares the ContainerBuilder before it is compiled. / protected function prepareContainer(ContainerBuilder $container) { $extensions = []; foreach ($this->bundles as $bundle) { if ($extension = $bundle->getContainerExtension()) { $container->registerExtension($extension); } if ($this->debug) { $container->addObjectResource($bundle); } } foreach ($this->bundles as $bundle) { $bundle->build($container); } $this->build($container); foreach ($container->getExtensions() as $extension) { $extensions[] = $extension->getAlias(); } // ensure these extensions are implicitly loaded $container->getCompilerPassConfig()->setMergePass(new MergeExtensionConfigurationPass($extensions)); } /* * Gets a new ContainerBuilder instance used to build the service container. * * @return ContainerBuilder / protected function getContainerBuilder() { $container = new ContainerBuilder(); $container->getParameterBag()->add($this->getKernelParameters()); if ($this instanceof CompilerPassInterface) { $container->addCompilerPass($this, PassConfig::TYPE_BEFORE_OPTIMIZATION, -10000); } if (class_exists(\ProxyManager\Configuration::class) && class_exists(RuntimeInstantiator::class)) { $container->setProxyInstantiator(new RuntimeInstantiator()); } return $container; } /* * Dumps the service container to PHP code in the cache. * * @param string $class The name of the class to generate * @param string $baseClass The name of the container's base class / protected function dumpContainer(ConfigCache $cache, ContainerBuilder $container, $class, $baseClass) { // cache the container $dumper = new PhpDumper($container); if (class_exists(\ProxyManager\Configuration::class) && class_exists(ProxyDumper::class)) { $dumper->setProxyDumper(new ProxyDumper()); } $content = $dumper->dump([ 'class' => $class, 'base_class' => $baseClass, 'file' => $cache->getPath(), 'as_files' => true, 'debug' => $this->debug, 'build_time' => $container->hasParameter('kernel.container_build_time') ? $container->getParameter('kernel.container_build_time') : time(), 'preload_classes' => array_map('get_class', $this->bundles), ]); $rootCode = array_pop($content); $dir = \dirname($cache->getPath()).'/'; $fs = new Filesystem(); foreach ($content as $file => $code) { $fs->dumpFile($dir.$file, $code); @chmod($dir.$file, 0666 & ~umask()); } $legacyFile = \dirname($dir.key($content)).'.legacy'; if (file_exists($legacyFile)) { @unlink($legacyFile); } $cache->write($rootCode, $container->getResources()); } /* * Returns a loader for the container. * * @return DelegatingLoader The loader / protected function getContainerLoader(ContainerInterface $container) { $locator = new FileLocator($this); $resolver = new LoaderResolver([ new XmlFileLoader($container, $locator), new YamlFileLoader($container, $locator), new IniFileLoader($container, $locator), new PhpFileLoader($container, $locator), new GlobFileLoader($container, $locator), new DirectoryLoader($container, $locator), new ClosureLoader($container), ]); return new DelegatingLoader($resolver); } /* * Removes comments from a PHP source string. * * We don't use the PHP php_strip_whitespace() function * as we want the content to be readable and well-formatted. * * @param string $source A PHP string * * @return string The PHP string with the comments removed / public static function stripComments($source) { if (!\function_exists('token_get_all')) { return $source; } $rawChunk = ''; $output = ''; $tokens = token_get_all($source); $ignoreSpace = false; for ($i = 0; isset($tokens[$i]); ++$i) { $token = $tokens[$i]; if (!isset($token[1]) \|\| 'b"' === $token) { $rawChunk .= $token; } elseif (\T_START_HEREDOC === $token[0]) { $output .= $rawChunk.$token[1]; do { $token = $tokens[++$i]; $output .= isset($token[1]) && 'b"' !== $token ? $token[1] : $token; } while (\T_END_HEREDOC !== $token[0]); $rawChunk = ''; } elseif (\T_WHITESPACE === $token[0]) { if ($ignoreSpace) { $ignoreSpace = false; continue; } // replace multiple new lines with a single newline $rawChunk .= preg_replace(['/\n{2,}/S'], "\n", $token[1]); } elseif (\in_array($token[0], [\T_COMMENT, \T_DOC_COMMENT])) { if (!\in_array($rawChunk[\strlen($rawChunk) - 1], [' ', "\n", "\r", "\t"], true)) { $rawChunk .= ' '; } $ignoreSpace = true; } else { $rawChunk .= $token[1]; // The PHP-open tag already has a new-line if (\T_OPEN_TAG === $token[0]) { $ignoreSpace = true; } else { $ignoreSpace = false; } } } $output .= $rawChunk; unset($tokens, $rawChunk); gc_mem_caches(); return $output; } /* * @deprecated since Symfony 4.3 / public function serialize() { @trigger_error(sprintf('The "%s" method is deprecated since Symfony 4.3.', __METHOD__), \E_USER_DEPRECATED); return serialize([$this->environment, $this->debug]); } /* * @deprecated since Symfony 4.3 / public function unserialize($data) { @trigger_error(sprintf('The "%s" method is deprecated since Symfony 4.3.', __METHOD__), \E_USER_DEPRECATED); [$environment, $debug] = unserialize($data, ['allowed_classes' => false]); $this->__construct($environment, $debug); } /* * @return array */ public function __sleep() { if (__CLASS__ !== $c = (new \ReflectionMethod($this, 'serialize'))->getDeclaringClass()->name) { @trigger_error(sprintf('Implementing the "%s::serialize()" method is deprecated since Symfony 4.3.', $c), \E_USER_DEPRECATED); $this->serialized = $this->serialize(); return ['serialized']; } return ['environment', 'debug']; } public function __wakeup() { if (\is_object($this->environment) \|\| \is_object($this->debug)) { throw new \BadMethodCallException('Cannot unserialize '.__CLASS__); } if (__CLASS__ !== $c = (new \ReflectionMethod($this, 'serialize'))->getDeclaringClass()->name) { @trigger_error(sprintf('Implementing the "%s::serialize()" method is deprecated since Symfony 4.3.', $c), \E_USER_DEPRECATED); $this->unserialize($this->serialized); unset($this->serialized); return; } $this->__construct($this->environment, $this->debug); } } Back

Edit File : Kernel.php | Size : 29.82 KB

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpKernel;

use Symfony\Bridge\ProxyManager\LazyProxy\Instantiator\RuntimeInstantiator;
use Symfony\Bridge\ProxyManager\LazyProxy\PhpDumper\ProxyDumper;
use Symfony\Component\Config\ConfigCache;
use Symfony\Component\Config\Loader\DelegatingLoader;
use Symfony\Component\Config\Loader\LoaderResolver;
use Symfony\Component\Debug\DebugClassLoader as LegacyDebugClassLoader;
use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\Compiler\PassConfig;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\DependencyInjection\Dumper\PhpDumper;
use Symfony\Component\DependencyInjection\Loader\ClosureLoader;
use Symfony\Component\DependencyInjection\Loader\DirectoryLoader;
use Symfony\Component\DependencyInjection\Loader\GlobFileLoader;
use Symfony\Component\DependencyInjection\Loader\IniFileLoader;
use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
use Symfony\Component\ErrorHandler\DebugClassLoader;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Bundle\BundleInterface;
use Symfony\Component\HttpKernel\Config\FileLocator;
use Symfony\Component\HttpKernel\DependencyInjection\AddAnnotatedClassesToCachePass;
use Symfony\Component\HttpKernel\DependencyInjection\MergeExtensionConfigurationPass;

/**
 * The Kernel is the heart of the Symfony system.
 *
 * It manages an environment made of bundles.
 *
 * Environment names must always start with a letter and
 * they must only contain letters and numbers.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
abstract class Kernel implements KernelInterface, RebootableInterface, TerminableInterface
{
    /**
     * @var BundleInterface[]
     */
    protected $bundles = [];

protected $container;
    /**
     * @deprecated since Symfony 4.2
     */
    protected $rootDir;
    protected $environment;
    protected $debug;
    protected $booted = false;
    /**
     * @deprecated since Symfony 4.2
     */
    protected $name;
    protected $startTime;

private $projectDir;
    private $warmupDir;
    private $requestStackSize = 0;
    private $resetServices = false;

private static $freshCache = [];

public const VERSION = '4.4.34';
    public const VERSION_ID = 40434;
    public const MAJOR_VERSION = 4;
    public const MINOR_VERSION = 4;
    public const RELEASE_VERSION = 34;
    public const EXTRA_VERSION = '';

public const END_OF_MAINTENANCE = '11/2022';
    public const END_OF_LIFE = '11/2023';

public function __construct(string $environment, bool $debug)
    {
        $this->environment = $environment;
        $this->debug = $debug;
        $this->rootDir = $this->getRootDir(false);
        $this->name = $this->getName(false);
    }

public function __clone()
    {
        $this->booted = false;
        $this->container = null;
        $this->requestStackSize = 0;
        $this->resetServices = false;
    }

/**
     * {@inheritdoc}
     */
    public function boot()
    {
        if (true === $this->booted) {
            if (!$this->requestStackSize && $this->resetServices) {
                if ($this->container->has('services_resetter')) {
                    $this->container->get('services_resetter')->reset();
                }
                $this->resetServices = false;
                if ($this->debug) {
                    $this->startTime = microtime(true);
                }
            }

return;
        }
        if ($this->debug) {
            $this->startTime = microtime(true);
        }
        if ($this->debug && !isset($_ENV['SHELL_VERBOSITY']) && !isset($_SERVER['SHELL_VERBOSITY'])) {
            putenv('SHELL_VERBOSITY=3');
            $_ENV['SHELL_VERBOSITY'] = 3;
            $_SERVER['SHELL_VERBOSITY'] = 3;
        }

// init bundles
        $this->initializeBundles();

// init container
        $this->initializeContainer();

foreach ($this->getBundles() as $bundle) {
            $bundle->setContainer($this->container);
            $bundle->boot();
        }

$this->booted = true;
    }

/**
     * {@inheritdoc}
     */
    public function reboot($warmupDir)
    {
        $this->shutdown();
        $this->warmupDir = $warmupDir;
        $this->boot();
    }

/**
     * {@inheritdoc}
     */
    public function terminate(Request $request, Response $response)
    {
        if (false === $this->booted) {
            return;
        }

if ($this->getHttpKernel() instanceof TerminableInterface) {
            $this->getHttpKernel()->terminate($request, $response);
        }
    }

/**
     * {@inheritdoc}
     */
    public function shutdown()
    {
        if (false === $this->booted) {
            return;
        }

$this->booted = false;

foreach ($this->getBundles() as $bundle) {
            $bundle->shutdown();
            $bundle->setContainer(null);
        }

$this->container = null;
        $this->requestStackSize = 0;
        $this->resetServices = false;
    }

/**
     * {@inheritdoc}
     */
    public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
    {
        $this->boot();
        ++$this->requestStackSize;
        $this->resetServices = true;

try {
            return $this->getHttpKernel()->handle($request, $type, $catch);
        } finally {
            --$this->requestStackSize;
        }
    }

/**
     * Gets an HTTP kernel from the container.
     *
     * @return HttpKernelInterface
     */
    protected function getHttpKernel()
    {
        return $this->container->get('http_kernel');
    }

/**
     * {@inheritdoc}
     */
    public function getBundles()
    {
        return $this->bundles;
    }

/**
     * {@inheritdoc}
     */
    public function getBundle($name)
    {
        if (!isset($this->bundles[$name])) {
            throw new \InvalidArgumentException(sprintf('Bundle "%s" does not exist or it is not enabled. Maybe you forgot to add it in the "registerBundles()" method of your "%s.php" file?', $name, get_debug_type($this)));
        }

return $this->bundles[$name];
    }

/**
     * {@inheritdoc}
     */
    public function locateResource($name/*, $dir = null, $first = true, $triggerDeprecation = true*/)
    {
        if (2 <= \func_num_args()) {
            $dir = func_get_arg(1);
            $first = 3 <= \func_num_args() ? func_get_arg(2) : true;

if (4 !== \func_num_args() || func_get_arg(3)) {
                @trigger_error(sprintf('Passing more than one argument to %s is deprecated since Symfony 4.4 and will be removed in 5.0.', __METHOD__), \E_USER_DEPRECATED);
            }
        } else {
            $dir = null;
            $first = true;
        }

if ('@' !== $name[0]) {
            throw new \InvalidArgumentException(sprintf('A resource name must start with @ ("%s" given).', $name));
        }

if (str_contains($name, '..')) {
            throw new \RuntimeException(sprintf('File name "%s" contains invalid characters (..).', $name));
        }

$bundleName = substr($name, 1);
        $path = '';
        if (str_contains($bundleName, '/')) {
            [$bundleName, $path] = explode('/', $bundleName, 2);
        }

$isResource = str_starts_with($path, 'Resources') && null !== $dir;
        $overridePath = substr($path, 9);
        $bundle = $this->getBundle($bundleName);
        $files = [];

if ($isResource && file_exists($file = $dir.'/'.$bundle->getName().$overridePath)) {
            $files[] = $file;

// see https://symfony.com/doc/current/bundles/override.html on how to overwrite parts of a bundle
            @trigger_error(sprintf('Overwriting the resource "%s" with "%s" is deprecated since Symfony 4.4 and will be removed in 5.0.', $name, $file), \E_USER_DEPRECATED);
        }

if (file_exists($file = $bundle->getPath().'/'.$path)) {
            if ($first && !$isResource) {
                return $file;
            }
            $files[] = $file;
        }

if (\count($files) > 0) {
            return $first && $isResource ? $files[0] : $files;
        }

throw new \InvalidArgumentException(sprintf('Unable to find file "%s".', $name));
    }

/**
     * {@inheritdoc}
     *
     * @deprecated since Symfony 4.2
     */
    public function getName(/* $triggerDeprecation = true */)
    {
        if (0 === \func_num_args() || func_get_arg(0)) {
            @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.2.', __METHOD__), \E_USER_DEPRECATED);
        }

if (null === $this->name) {
            $this->name = preg_replace('/[^a-zA-Z0-9_]+/', '', basename($this->rootDir));
            if (ctype_digit($this->name[0])) {
                $this->name = '_'.$this->name;
            }
        }

return $this->name;
    }

/**
     * {@inheritdoc}
     */
    public function getEnvironment()
    {
        return $this->environment;
    }

/**
     * {@inheritdoc}
     */
    public function isDebug()
    {
        return $this->debug;
    }

/**
     * {@inheritdoc}
     *
     * @deprecated since Symfony 4.2, use getProjectDir() instead
     */
    public function getRootDir(/* $triggerDeprecation = true */)
    {
        if (0 === \func_num_args() || func_get_arg(0)) {
            @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 4.2, use getProjectDir() instead.', __METHOD__), \E_USER_DEPRECATED);
        }

if (null === $this->rootDir) {
            $r = new \ReflectionObject($this);
            $this->rootDir = \dirname($r->getFileName());
        }

return $this->rootDir;
    }

/**
     * Gets the application root dir (path of the project's composer file).
     *
     * @return string The project root dir
     */
    public function getProjectDir()
    {
        if (null === $this->projectDir) {
            $r = new \ReflectionObject($this);

if (!file_exists($dir = $r->getFileName())) {
                throw new \LogicException(sprintf('Cannot auto-detect project dir for kernel of class "%s".', $r->name));
            }

$dir = $rootDir = \dirname($dir);
            while (!file_exists($dir.'/composer.json')) {
                if ($dir === \dirname($dir)) {
                    return $this->projectDir = $rootDir;
                }
                $dir = \dirname($dir);
            }
            $this->projectDir = $dir;
        }

return $this->projectDir;
    }

/**
     * {@inheritdoc}
     */
    public function getContainer()
    {
        if (!$this->container) {
            @trigger_error('Getting the container from a non-booted kernel is deprecated since Symfony 4.4.', \E_USER_DEPRECATED);
        }

return $this->container;
    }

/**
     * @internal
     */
    public function setAnnotatedClassCache(array $annotatedClasses)
    {
        file_put_contents(($this->warmupDir ?: $this->getCacheDir()).'/annotations.map', sprintf('<?php return %s;', var_export($annotatedClasses, true)));
    }

/**
     * {@inheritdoc}
     */
    public function getStartTime()
    {
        return $this->debug && null !== $this->startTime ? $this->startTime : -\INF;
    }

/**
     * {@inheritdoc}
     */
    public function getCacheDir()
    {
        return $this->getProjectDir().'/var/cache/'.$this->environment;
    }

/**
     * {@inheritdoc}
     */
    public function getLogDir()
    {
        return $this->getProjectDir().'/var/log';
    }

/**
     * {@inheritdoc}
     */
    public function getCharset()
    {
        return 'UTF-8';
    }

/**
     * Gets the patterns defining the classes to parse and cache for annotations.
     */
    public function getAnnotatedClassesToCompile(): array
    {
        return [];
    }

/**
     * Initializes bundles.
     *
     * @throws \LogicException if two bundles share a common name
     */
    protected function initializeBundles()
    {
        // init bundles
        $this->bundles = [];
        foreach ($this->registerBundles() as $bundle) {
            $name = $bundle->getName();
            if (isset($this->bundles[$name])) {
                throw new \LogicException(sprintf('Trying to register two bundles with the same name "%s".', $name));
            }
            $this->bundles[$name] = $bundle;
        }
    }

/**
     * The extension point similar to the Bundle::build() method.
     *
     * Use this method to register compiler passes and manipulate the container during the building process.
     */
    protected function build(ContainerBuilder $container)
    {
    }

/**
     * Gets the container class.
     *
     * @throws \InvalidArgumentException If the generated classname is invalid
     *
     * @return string The container class
     */
    protected function getContainerClass()
    {
        $class = static::class;
        $class = str_contains($class, "@anonymous\0") ? get_parent_class($class).str_replace('.', '_', ContainerBuilder::hash($class)) : $class;
        $class = $this->name.str_replace('\\', '_', $class).ucfirst($this->environment).($this->debug ? 'Debug' : '').'Container';

if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $class)) {
            throw new \InvalidArgumentException(sprintf('The environment "%s" contains invalid characters, it can only contain characters allowed in PHP class names.', $this->environment));
        }

return $class;
    }

/**
     * Gets the container's base class.
     *
     * All names except Container must be fully qualified.
     *
     * @return string
     */
    protected function getContainerBaseClass()
    {
        return 'Container';
    }

/**
     * Initializes the service container.
     *
     * The cached version of the service container is used when fresh, otherwise the
     * container is built.
     */
    protected function initializeContainer()
    {
        $class = $this->getContainerClass();
        $cacheDir = $this->warmupDir ?: $this->getCacheDir();
        $cache = new ConfigCache($cacheDir.'/'.$class.'.php', $this->debug);
        $cachePath = $cache->getPath();

// Silence E_WARNING to ignore "include" failures - don't use "@" to prevent silencing fatal errors
        $errorLevel = error_reporting(\E_ALL ^ \E_WARNING);

try {
            if (file_exists($cachePath) && \is_object($this->container = include $cachePath)
                && (!$this->debug || (self::$freshCache[$cachePath] ?? $cache->isFresh()))
            ) {
                self::$freshCache[$cachePath] = true;
                $this->container->set('kernel', $this);
                error_reporting($errorLevel);

return;
            }
        } catch (\Throwable $e) {
        }

$oldContainer = \is_object($this->container) ? new \ReflectionClass($this->container) : $this->container = null;

try {
            is_dir($cacheDir) ?: mkdir($cacheDir, 0777, true);

if ($lock = fopen($cachePath.'.lock', 'w')) {
                flock($lock, \LOCK_EX | \LOCK_NB, $wouldBlock);

if (!flock($lock, $wouldBlock ? \LOCK_SH : \LOCK_EX)) {
                    fclose($lock);
                    $lock = null;
                } elseif (!is_file($cachePath) || !\is_object($this->container = include $cachePath)) {
                    $this->container = null;
                } elseif (!$oldContainer || \get_class($this->container) !== $oldContainer->name) {
                    flock($lock, \LOCK_UN);
                    fclose($lock);
                    $this->container->set('kernel', $this);

return;
                }
            }
        } catch (\Throwable $e) {
        } finally {
            error_reporting($errorLevel);
        }

if ($collectDeprecations = $this->debug && !\defined('PHPUNIT_COMPOSER_INSTALL')) {
            $collectedLogs = [];
            $previousHandler = set_error_handler(function ($type, $message, $file, $line) use (&$collectedLogs, &$previousHandler) {
                if (\E_USER_DEPRECATED !== $type && \E_DEPRECATED !== $type) {
                    return $previousHandler ? $previousHandler($type, $message, $file, $line) : false;
                }

if (isset($collectedLogs[$message])) {
                    ++$collectedLogs[$message]['count'];

return null;
                }

$backtrace = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS, 5);
                // Clean the trace by removing first frames added by the error handler itself.
                for ($i = 0; isset($backtrace[$i]); ++$i) {
                    if (isset($backtrace[$i]['file'], $backtrace[$i]['line']) && $backtrace[$i]['line'] === $line && $backtrace[$i]['file'] === $file) {
                        $backtrace = \array_slice($backtrace, 1 + $i);
                        break;
                    }
                }
                // Remove frames added by DebugClassLoader.
                for ($i = \count($backtrace) - 2; 0 < $i; --$i) {
                    if (\in_array($backtrace[$i]['class'] ?? null, [DebugClassLoader::class, LegacyDebugClassLoader::class], true)) {
                        $backtrace = [$backtrace[$i + 1]];
                        break;
                    }
                }

$collectedLogs[$message] = [
                    'type' => $type,
                    'message' => $message,
                    'file' => $file,
                    'line' => $line,
                    'trace' => [$backtrace[0]],
                    'count' => 1,
                ];

return null;
            });
        }

try {
            $container = null;
            $container = $this->buildContainer();
            $container->compile();
        } finally {
            if ($collectDeprecations) {
                restore_error_handler();

@file_put_contents($cacheDir.'/'.$class.'Deprecations.log', serialize(array_values($collectedLogs)));
                @file_put_contents($cacheDir.'/'.$class.'Compiler.log', null !== $container ? implode("\n", $container->getCompiler()->getLog()) : '');
            }
        }

$this->dumpContainer($cache, $container, $class, $this->getContainerBaseClass());

if ($lock) {
            flock($lock, \LOCK_UN);
            fclose($lock);
        }

$this->container = require $cachePath;
        $this->container->set('kernel', $this);

if ($oldContainer && \get_class($this->container) !== $oldContainer->name) {
            // Because concurrent requests might still be using them,
            // old container files are not removed immediately,
            // but on a next dump of the container.
            static $legacyContainers = [];
            $oldContainerDir = \dirname($oldContainer->getFileName());
            $legacyContainers[$oldContainerDir.'.legacy'] = true;
            foreach (glob(\dirname($oldContainerDir).\DIRECTORY_SEPARATOR.'*.legacy', \GLOB_NOSORT) as $legacyContainer) {
                if (!isset($legacyContainers[$legacyContainer]) && @unlink($legacyContainer)) {
                    (new Filesystem())->remove(substr($legacyContainer, 0, -7));
                }
            }

touch($oldContainerDir.'.legacy');
        }

if ($this->container->has('cache_warmer')) {
            $this->container->get('cache_warmer')->warmUp($this->container->getParameter('kernel.cache_dir'));
        }
    }

/**
     * Returns the kernel parameters.
     *
     * @return array An array of kernel parameters
     */
    protected function getKernelParameters()
    {
        $bundles = [];
        $bundlesMetadata = [];

foreach ($this->bundles as $name => $bundle) {
            $bundles[$name] = \get_class($bundle);
            $bundlesMetadata[$name] = [
                'path' => $bundle->getPath(),
                'namespace' => $bundle->getNamespace(),
            ];
        }

return [
            /*
             * @deprecated since Symfony 4.2, use kernel.project_dir instead
             */
            'kernel.root_dir' => realpath($this->rootDir) ?: $this->rootDir,
            'kernel.project_dir' => realpath($this->getProjectDir()) ?: $this->getProjectDir(),
            'kernel.environment' => $this->environment,
            'kernel.debug' => $this->debug,
            /*
             * @deprecated since Symfony 4.2
             */
            'kernel.name' => $this->name,
            'kernel.cache_dir' => realpath($cacheDir = $this->warmupDir ?: $this->getCacheDir()) ?: $cacheDir,
            'kernel.logs_dir' => realpath($this->getLogDir()) ?: $this->getLogDir(),
            'kernel.bundles' => $bundles,
            'kernel.bundles_metadata' => $bundlesMetadata,
            'kernel.charset' => $this->getCharset(),
            'kernel.container_class' => $this->getContainerClass(),
        ];
    }

/**
     * Builds the service container.
     *
     * @return ContainerBuilder The compiled service container
     *
     * @throws \RuntimeException
     */
    protected function buildContainer()
    {
        foreach (['cache' => $this->warmupDir ?: $this->getCacheDir(), 'logs' => $this->getLogDir()] as $name => $dir) {
            if (!is_dir($dir)) {
                if (false === @mkdir($dir, 0777, true) && !is_dir($dir)) {
                    throw new \RuntimeException(sprintf('Unable to create the "%s" directory (%s).', $name, $dir));
                }
            } elseif (!is_writable($dir)) {
                throw new \RuntimeException(sprintf('Unable to write in the "%s" directory (%s).', $name, $dir));
            }
        }

$container = $this->getContainerBuilder();
        $container->addObjectResource($this);
        $this->prepareContainer($container);

if (null !== $cont = $this->registerContainerConfiguration($this->getContainerLoader($container))) {
            $container->merge($cont);
        }

$container->addCompilerPass(new AddAnnotatedClassesToCachePass($this));

return $container;
    }

/**
     * Prepares the ContainerBuilder before it is compiled.
     */
    protected function prepareContainer(ContainerBuilder $container)
    {
        $extensions = [];
        foreach ($this->bundles as $bundle) {
            if ($extension = $bundle->getContainerExtension()) {
                $container->registerExtension($extension);
            }

if ($this->debug) {
                $container->addObjectResource($bundle);
            }
        }

foreach ($this->bundles as $bundle) {
            $bundle->build($container);
        }

$this->build($container);

foreach ($container->getExtensions() as $extension) {
            $extensions[] = $extension->getAlias();
        }

// ensure these extensions are implicitly loaded
        $container->getCompilerPassConfig()->setMergePass(new MergeExtensionConfigurationPass($extensions));
    }

/**
     * Gets a new ContainerBuilder instance used to build the service container.
     *
     * @return ContainerBuilder
     */
    protected function getContainerBuilder()
    {
        $container = new ContainerBuilder();
        $container->getParameterBag()->add($this->getKernelParameters());

if ($this instanceof CompilerPassInterface) {
            $container->addCompilerPass($this, PassConfig::TYPE_BEFORE_OPTIMIZATION, -10000);
        }
        if (class_exists(\ProxyManager\Configuration::class) && class_exists(RuntimeInstantiator::class)) {
            $container->setProxyInstantiator(new RuntimeInstantiator());
        }

return $container;
    }

/**
     * Dumps the service container to PHP code in the cache.
     *
     * @param string $class     The name of the class to generate
     * @param string $baseClass The name of the container's base class
     */
    protected function dumpContainer(ConfigCache $cache, ContainerBuilder $container, $class, $baseClass)
    {
        // cache the container
        $dumper = new PhpDumper($container);

if (class_exists(\ProxyManager\Configuration::class) && class_exists(ProxyDumper::class)) {
            $dumper->setProxyDumper(new ProxyDumper());
        }

$content = $dumper->dump([
            'class' => $class,
            'base_class' => $baseClass,
            'file' => $cache->getPath(),
            'as_files' => true,
            'debug' => $this->debug,
            'build_time' => $container->hasParameter('kernel.container_build_time') ? $container->getParameter('kernel.container_build_time') : time(),
            'preload_classes' => array_map('get_class', $this->bundles),
        ]);

$rootCode = array_pop($content);
        $dir = \dirname($cache->getPath()).'/';
        $fs = new Filesystem();

foreach ($content as $file => $code) {
            $fs->dumpFile($dir.$file, $code);
            @chmod($dir.$file, 0666 & ~umask());
        }
        $legacyFile = \dirname($dir.key($content)).'.legacy';
        if (file_exists($legacyFile)) {
            @unlink($legacyFile);
        }

$cache->write($rootCode, $container->getResources());
    }

/**
     * Returns a loader for the container.
     *
     * @return DelegatingLoader The loader
     */
    protected function getContainerLoader(ContainerInterface $container)
    {
        $locator = new FileLocator($this);
        $resolver = new LoaderResolver([
            new XmlFileLoader($container, $locator),
            new YamlFileLoader($container, $locator),
            new IniFileLoader($container, $locator),
            new PhpFileLoader($container, $locator),
            new GlobFileLoader($container, $locator),
            new DirectoryLoader($container, $locator),
            new ClosureLoader($container),
        ]);

return new DelegatingLoader($resolver);
    }

/**
     * Removes comments from a PHP source string.
     *
     * We don't use the PHP php_strip_whitespace() function
     * as we want the content to be readable and well-formatted.
     *
     * @param string $source A PHP string
     *
     * @return string The PHP string with the comments removed
     */
    public static function stripComments($source)
    {
        if (!\function_exists('token_get_all')) {
            return $source;
        }

$rawChunk = '';
        $output = '';
        $tokens = token_get_all($source);
        $ignoreSpace = false;
        for ($i = 0; isset($tokens[$i]); ++$i) {
            $token = $tokens[$i];
            if (!isset($token[1]) || 'b"' === $token) {
                $rawChunk .= $token;
            } elseif (\T_START_HEREDOC === $token[0]) {
                $output .= $rawChunk.$token[1];
                do {
                    $token = $tokens[++$i];
                    $output .= isset($token[1]) && 'b"' !== $token ? $token[1] : $token;
                } while (\T_END_HEREDOC !== $token[0]);
                $rawChunk = '';
            } elseif (\T_WHITESPACE === $token[0]) {
                if ($ignoreSpace) {
                    $ignoreSpace = false;

continue;
                }

// replace multiple new lines with a single newline
                $rawChunk .= preg_replace(['/\n{2,}/S'], "\n", $token[1]);
            } elseif (\in_array($token[0], [\T_COMMENT, \T_DOC_COMMENT])) {
                if (!\in_array($rawChunk[\strlen($rawChunk) - 1], [' ', "\n", "\r", "\t"], true)) {
                    $rawChunk .= ' ';
                }
                $ignoreSpace = true;
            } else {
                $rawChunk .= $token[1];

// The PHP-open tag already has a new-line
                if (\T_OPEN_TAG === $token[0]) {
                    $ignoreSpace = true;
                } else {
                    $ignoreSpace = false;
                }
            }
        }

$output .= $rawChunk;

unset($tokens, $rawChunk);
        gc_mem_caches();

return $output;
    }

/**
     * @deprecated since Symfony 4.3
     */
    public function serialize()
    {
        @trigger_error(sprintf('The "%s" method is deprecated since Symfony 4.3.', __METHOD__), \E_USER_DEPRECATED);

return serialize([$this->environment, $this->debug]);
    }

/**
     * @deprecated since Symfony 4.3
     */
    public function unserialize($data)
    {
        @trigger_error(sprintf('The "%s" method is deprecated since Symfony 4.3.', __METHOD__), \E_USER_DEPRECATED);
        [$environment, $debug] = unserialize($data, ['allowed_classes' => false]);

$this->__construct($environment, $debug);
    }

/**
     * @return array
     */
    public function __sleep()
    {
        if (__CLASS__ !== $c = (new \ReflectionMethod($this, 'serialize'))->getDeclaringClass()->name) {
            @trigger_error(sprintf('Implementing the "%s::serialize()" method is deprecated since Symfony 4.3.', $c), \E_USER_DEPRECATED);
            $this->serialized = $this->serialize();

return ['serialized'];
        }

return ['environment', 'debug'];
    }

public function __wakeup()
    {
        if (\is_object($this->environment) || \is_object($this->debug)) {
            throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
        }

if (__CLASS__ !== $c = (new \ReflectionMethod($this, 'serialize'))->getDeclaringClass()->name) {
            @trigger_error(sprintf('Implementing the "%s::serialize()" method is deprecated since Symfony 4.3.', $c), \E_USER_DEPRECATED);
            $this->unserialize($this->serialized);
            unset($this->serialized);

return;
        }
        $this->__construct($this->environment, $this->debug);
    }
}

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