vendor/symfony/dependency-injection/ExpressionLanguage.php line 30
<?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\DependencyInjection;use Psr\Cache\CacheItemPoolInterface;use Symfony\Component\ExpressionLanguage\ExpressionLanguage as BaseExpressionLanguage;if (!class_exists(BaseExpressionLanguage::class)) {return;}/*** Adds some function to the default ExpressionLanguage.** @author Fabien Potencier <fabien@symfony.com>** @see ExpressionLanguageProvider*/class ExpressionLanguage extends BaseExpressionLanguage{public function __construct(CacheItemPoolInterface $cache = null, array $providers = [], callable $serviceCompiler = null, \Closure $getEnv = null){// prepend the default provider to let users override it easilyarray_unshift($providers, new ExpressionLanguageProvider($serviceCompiler, $getEnv));parent::__construct($cache, $providers);}}