<?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 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 = '6.0.20';
    public const VERSION_ID = 60020;
    public const MAJOR_VERSION = 6;
    public const MINOR_VERSION = 0;
    public const RELEASE_VERSION = 20;
    public const EXTRA_VERSION = '';

    public const END_OF_MAINTENANCE = '01/2023';
    public const END_OF_LIFE = '01/2023';

    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;
    }

    /**
     * {@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 $catch = true): Response
    {
        if (!$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');
    }

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

    /**
     * {@inheritdoc}
     */
    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];
    }

    /**
     * {@inheritdoc}
     */
    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));
    }

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

    /**
     * {@inheritdoc}
     */
    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;
    }

    /**
     * {@inheritdoc}
     */
    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)));
    }

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

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

    /**
     * {@inheritdoc}
     */
    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 (\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.
     */
    protected function getKernelParameters(): array
    {
        $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.
     *
     * @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);
        }
        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.
     */
    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);
    }
}

• [D] Attribute
• [D] Bundle
• [D] CacheClearer
• [D] CacheWarmer
• [D] Config
• [D] Controller
• [D] ControllerMetadata
• [D] DataCollector
• [D] Debug
• [D] DependencyInjection
• [D] Event
• [D] EventListener
• [D] Exception
• [D] Fragment
• [D] HttpCache
• [D] Log
• [D] Profiler
• [D] Resources
• [F] CHANGELOG.md
  Delete
• [F] composer.json
  Delete
• [F] HttpClientKernel.php
  Delete
• [F] HttpKernel.php
  Delete
• [F] HttpKernelBrowser.php
  Delete
• [F] HttpKernelInterface.php
  Delete
• [F] Kernel.php
  Delete
• [F] KernelEvents.php
  Delete
• [F] KernelInterface.php
  Delete
• [F] LICENSE
  Delete
• [F] README.md
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• [F] RebootableInterface.php
  Delete
• [F] TerminableInterface.php
  Delete
• [F] UriSigner.php
  Delete

About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

• Simplifying Payments, One Tap at a Time.
• Reinventing Your Wallet for Modern Convenience.
• Smart Payments for a Effortless Lifestyle.
• Experience the Ease of Tap and Pay.
• Innovative Solutions for Your Daily Transactions.

FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard