Subversion-Projekte lars-tiefland.laravel_shop

<?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\Component\Config\Builder\ConfigBuilderGenerator;

use Symfony\Component\Config\ConfigCache;

use Symfony\Component\Config\Loader\DelegatingLoader;

use Symfony\Component\Config\Loader\LoaderResolver;

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 string $projectDir;

    private ?string $warmupDir = null;

    private int $requestStackSize = 0;

    private bool $resetServices = false;

    /**

     * @var array<string, bool>

     */

    private static array $freshCache = [];

    public const VERSION = '6.2.10';

    public const VERSION_ID = 60210;

    public const MAJOR_VERSION = 6;

    public const MINOR_VERSION = 2;

    public const RELEASE_VERSION = 10;

    public const EXTRA_VERSION = '';

    public const END_OF_MAINTENANCE = '07/2023';

    public const END_OF_LIFE = '07/2023';

    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;

    }

    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;

    }

    public function reboot(?string $warmupDir)

    {

        $this->shutdown();

        $this->warmupDir = $warmupDir;

        $this->boot();

    }

    public function terminate(Request $request, Response $response)

    {

        if (false === $this->booted) {

            return;

        }

        if ($this->getHttpKernel() instanceof TerminableInterface) {

            $this->getHttpKernel()->terminate($request, $response);

        }

    }

    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;

    }

    public function handle(Request $request, int $type = HttpKernelInterface::MAIN_REQUEST, bool $catch = true): Response

    {

        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.

     */

    protected function getHttpKernel(): HttpKernelInterface

    {

        return $this->container->get('http_kernel');

    }

    public function getBundles(): array

    {

        return $this->bundles;

    }

    public function getBundle(string $name): BundleInterface

    {

        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];

    }

    public function locateResource(string $name): string

    {

        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));

    }

    public function getEnvironment(): string

    {

        return $this->environment;

    }

    public function isDebug(): bool

    {

        return $this->debug;

    }

    /**

     * Gets the application root dir (path of the project's composer file).

     */

    public function getProjectDir(): string

    {

        if (!isset($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;

    }

    public function getContainer(): ContainerInterface

    {

        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)));

    }

    public function getStartTime(): float

    {

        return $this->debug && null !== $this->startTime ? $this->startTime : -\INF;

    }

    public function getCacheDir(): string

    {

        return $this->getProjectDir().'/var/cache/'.$this->environment;

    }

    public function getBuildDir(): string

    {

        // Returns $this->getCacheDir() for backward compatibility

        return $this->getCacheDir();

    }

    public function getLogDir(): string

    {

        return $this->getProjectDir().'/var/log';

    }

    public function getCharset(): string

    {

        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

     */

    protected function getContainerClass(): string

    {

        $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.

     */

    protected function getContainerBaseClass(): string

    {

        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 (DebugClassLoader::class === ($backtrace[$i]['class'] ?? null)) {

                        $backtrace = [$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.

     */

    protected function getKernelParameters(): array

    {

        $bundles = [];

        $bundlesMetadata = [];

        foreach ($this->bundles as $name => $bundle) {

            $bundles[$name] = $bundle::class;

            $bundlesMetadata[$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.

     *

     * @throws \RuntimeException

     */

    protected function buildContainer(): ContainerBuilder

    {

        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);

        $this->registerContainerConfiguration($this->getContainerLoader($container));

        $container->addCompilerPass(new AddAnnotatedClassesToCachePass($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.

     */

    protected function getContainerBuilder(): ContainerBuilder

    {

        $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);

        }

        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);

        $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.

     */

    protected function getContainerLoader(ContainerInterface $container): DelegatingLoader

    {

        $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.

     */

    public static function stripComments(string $source): string

    {

        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;

    }

    public function __sleep(): array

    {

        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);

    }

}