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   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\DependencyInjection;
  13  
  14  use Symfony\Component\ExpressionLanguage\ExpressionLanguage as BaseExpressionLanguage;
  15  
  16  /**
  17   * Adds some function to the default ExpressionLanguage.
  18   *
  19   * @author Fabien Potencier <fabien@symfony.com>
  20   *
  21   * @see ExpressionLanguageProvider
  22   */
  23  class ExpressionLanguage extends BaseExpressionLanguage
  24  {
  25      /**
  26       * {@inheritdoc}
  27       */
  28      public function __construct($cache = null, array $providers = [], callable $serviceCompiler = null)
  29      {
  30          // prepend the default provider to let users override it easily
  31          array_unshift($providers, new ExpressionLanguageProvider($serviceCompiler));
  32  
  33          parent::__construct($cache, $providers);
  34      }
  35  }