<?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\Translation\Loader;
  
  /**
   * PhpFileLoader loads translations from PHP files returning an array of translations.
   *
   * @author Fabien Potencier <fabien@symfony.com>
   */
  class PhpFileLoader extends FileLoader
  {
      private static $cache = [];
  
      /**
       * {@inheritdoc}
       */
      protected function loadResource(string $resource)
      {
          if ([] === self::$cache && \function_exists('opcache_invalidate') && filter_var(\ini_get('opcache.enable'), \FILTER_VALIDATE_BOOLEAN) && (!\in_array(\PHP_SAPI, ['cli', 'phpdbg'], true) || filter_var(\ini_get('opcache.enable_cli'), \FILTER_VALIDATE_BOOLEAN))) {
              self::$cache = null;
          }
  
          if (null === self::$cache) {
              return require $resource;
          }
  
          if (isset(self::$cache[$resource])) {
              return self::$cache[$resource];
          }
  
          return self::$cache[$resource] = require $resource;
      }
  }