Yu1709$!%yuyu!$%wutu!5=126+

                
____  ___       .__                 
\   \/  /  _____|  |   ______  _  __
 \     /  /  ___/  |  /  _ \ \/ \/ /
 /     \  \___ \|  |_(  <_> )     / 
/___/\  \/____  >____/\____/ \/\_/  
      \_/     \/    @ligmakokz

Editing: Kernel.php

<?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\Builder\ConfigBuilderGenerator;
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\Dumper\Preloader;
use Symfony\Component\DependencyInjection\Extension\ExtensionInterface;
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\CacheWarmer\WarmableInterface;
use Symfony\Component\HttpKernel\Config\FileLocator;
use Symfony\Component\HttpKernel\DependencyInjection\AddAnnotatedClassesToCachePass;
use Symfony\Component\HttpKernel\DependencyInjection\MergeExtensionConfigurationPass;

// Help opcache.preload discover always-needed symbols
class_exists(ConfigCache::class);

/**
 * 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 array<string, BundleInterface>
     */
    protected $bundles = [];

protected $container;
    protected $environment;
    protected $debug;
    protected $booted = false;
    protected $startTime;

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

/**
     * @var array<string, bool>
     */
    private static $freshCache = [];

public const VERSION = '5.4.10';
    public const VERSION_ID = 50410;
    public const MAJOR_VERSION = 5;
    public const MINOR_VERSION = 4;
    public const RELEASE_VERSION = 10;
    public const EXTRA_VERSION = '';

public const END_OF_MAINTENANCE = '11/2024';
    public const END_OF_LIFE = '11/2025';

public function __construct(string $environment, bool $debug)
    {
        if (!$this->environment = $environment) {
            throw new \InvalidArgumentException(sprintf('Invalid environment provided to "%s": the environment cannot be empty.', get_debug_type($this)));
        }

$this->debug = $debug;
    }

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 (null === $this->container) {
            $this->preBoot();
        }

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

$this->booted = true;
    }

/**
     * {@inheritdoc}
     */
    public function reboot(?string $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, int $type = HttpKernelInterface::MAIN_REQUEST, bool $catch = true)
    {
        if (!$this->booted) {
            $container = $this->container ?? $this->preBoot();

if ($container->has('http_cache')) {
                return $container->get('http_cache')->handle($request, $type, $catch);
            }
        }

$this->boot();
        ++$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(string $name)
    {
        if (!isset($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(string $name)
    {
        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);
        }

$bundle = $this->getBundle($bundleName);
        if (file_exists($file = $bundle->getPath().'/'.$path)) {
            return $file;
        }

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

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

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

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

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

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

return $this->projectDir;
    }

/**
     * {@inheritdoc}
     */
    public function getContainer()
    {
        if (!$this->container) {
            throw new \LogicException('Cannot retrieve the container from a non-booted kernel.');
        }

return $this->container;
    }

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

/**
     * {@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
     */
    protected function getContainerClass()
    {
        $class = static::class;
        $class = str_contains($class, "@anonymous\0") ? get_parent_class($class).str_replace('.', '_', ContainerBuilder::hash($class)) : $class;
        $class = 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 built version of the service container is used when fresh, otherwise the
     * container is built.
     */
    protected function initializeContainer()
    {
        $class = $this->getContainerClass();
        $buildDir = $this->warmupDir ?: $this->getBuildDir();
        $cache = new ConfigCache($buildDir.'/'.$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 (is_file($cachePath) && \is_object($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($buildDir) ?: mkdir($buildDir, 0777, true);

if ($lock = fopen($cachePath.'.lock', 'w')) {
                if (!flock($lock, \LOCK_EX | \LOCK_NB, $wouldBlock) && !flock($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 + $i);
                        break;
                    }
                }
                for ($i = 0; isset($backtrace[$i]); ++$i) {
                    if (!isset($backtrace[$i]['file'], $backtrace[$i]['line'], $backtrace[$i]['function'])) {
                        continue;
                    }
                    if (!isset($backtrace[$i]['class']) && 'trigger_deprecation' === $backtrace[$i]['function']) {
                        $file = $backtrace[$i]['file'];
                        $line = $backtrace[$i]['line'];
                        $backtrace = \array_slice($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($buildDir.'/'.$class.'Deprecations.log', serialize(array_values($collectedLogs)));
                @file_put_contents($buildDir.'/'.$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');
        }

$preload = $this instanceof WarmableInterface ? (array) $this->warmUp($this->container->getParameter('kernel.cache_dir')) : [];

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

if ($preload && method_exists(Preloader::class, 'append') && file_exists($preloadFile = $buildDir.'/'.$class.'.preload.php')) {
            Preloader::append($preloadFile, $preload);
        }
    }

/**
     * Returns the kernel parameters.
     *
     * @return array
     */
    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 [
            'kernel.project_dir' => realpath($this->getProjectDir()) ?: $this->getProjectDir(),
            'kernel.environment' => $this->environment,
            'kernel.runtime_environment' => '%env(default:kernel.environment:APP_RUNTIME_ENV)%',
            'kernel.debug' => $this->debug,
            'kernel.build_dir' => realpath($buildDir = $this->warmupDir ?: $this->getBuildDir()) ?: $buildDir,
            'kernel.cache_dir' => realpath($cacheDir = ($this->getCacheDir() === $this->getBuildDir() ? ($this->warmupDir ?: $this->getCacheDir()) : $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
     *
     * @throws \RuntimeException
     */
    protected function buildContainer()
    {
        foreach (['cache' => $this->getCacheDir(), 'build' => $this->warmupDir ?: $this->getBuildDir(), '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($container))) {
            trigger_deprecation('symfony/http-kernel', '5.3', 'Returning a ContainerBuilder from "%s::registerContainerConfiguration()" is deprecated.', get_debug_type($this));
            $container->merge($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 ExtensionInterface) {
            $container->registerExtension($this);
        }
        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, string $class, string $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($content)).'.legacy';
        if (is_file($legacyFile)) {
            @unlink($legacyFile);
        }

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

/**
     * Returns a loader for the container.
     *
     * @return DelegatingLoader
     */
    protected function getContainerLoader(ContainerInterface $container)
    {
        $env = $this->getEnvironment();
        $locator = new FileLocator($this);
        $resolver = new LoaderResolver([
            new XmlFileLoader($container, $locator, $env),
            new YamlFileLoader($container, $locator, $env),
            new IniFileLoader($container, $locator, $env),
            new PhpFileLoader($container, $locator, $env, class_exists(ConfigBuilderGenerator::class) ? new ConfigBuilderGenerator($this->getBuildDir()) : null),
            new GlobFileLoader($container, $locator, $env),
            new DirectoryLoader($container, $locator, $env),
            new ClosureLoader($container, $env),
        ]);

return new DelegatingLoader($resolver);
    }

private function preBoot(): ContainerInterface
    {
        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;
        }

$this->initializeBundles();
        $this->initializeContainer();

$container = $this->container;

if ($container->hasParameter('kernel.trusted_hosts') && $trustedHosts = $container->getParameter('kernel.trusted_hosts')) {
            Request::setTrustedHosts($trustedHosts);
        }

if ($container->hasParameter('kernel.trusted_proxies') && $container->hasParameter('kernel.trusted_headers') && $trustedProxies = $container->getParameter('kernel.trusted_proxies')) {
            Request::setTrustedProxies(\is_array($trustedProxies) ? $trustedProxies : array_map('trim', explode(',', $trustedProxies)), $container->getParameter('kernel.trusted_headers'));
        }

return $container;
    }

/**
     * 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.
     *
     * @return string
     */
    public static function stripComments(string $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;
    }

/**
     * @return array
     */
    public function __sleep()
    {
        return ['environment', 'debug'];
    }

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

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

Name	Type	Actions
Attribute	Directory
Bundle	Directory
CacheClearer	Directory
CacheWarmer	Directory
Config	Directory
Controller	Directory
ControllerMetadata	Directory
DataCollector	Directory
Debug	Directory
DependencyInjection	Directory
Event	Directory
EventListener	Directory
Exception	Directory
Fragment	Directory
HttpCache	Directory
Log	Directory
Profiler	Directory
Resources	Directory
CHANGELOG.md	File
HttpClientKernel.php	File
HttpKernel.php	File
HttpKernelBrowser.php	File
HttpKernelInterface.php	File
Kernel.php	File
KernelEvents.php	File
KernelInterface.php	File
LICENSE	File
README.md	File
RebootableInterface.php	File
TerminableInterface.php	File
UriSigner.php	File
composer.json	File
error_log	File