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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  use Symfony\Component\ExpressionLanguage\ParserCache\ParserCacheInterface;
  16  
  17  /**
  18   * Adds some function to the default ExpressionLanguage.
  19   *
  20   * @author Fabien Potencier <fabien@symfony.com>
  21   *
  22   * @see ExpressionLanguageProvider
  23   */
  24  class ExpressionLanguage extends BaseExpressionLanguage
  25  {
  26      public function __construct(ParserCacheInterface $cache = null, array $providers = array())
  27      {
  28          // prepend the default provider to let users override it easily
  29          array_unshift($providers, new ExpressionLanguageProvider());
  30  
  31          parent::__construct($cache, $providers);
  32      }
  33  }