--- /dev/null
+<?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\ExpressionLanguage\Tests\Fixtures;
+
+use Symfony\Component\ExpressionLanguage\ExpressionFunction;
+use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;
+
+class TestProvider implements ExpressionFunctionProviderInterface
+{
+ public function getFunctions()
+ {
+ return array(
+ new ExpressionFunction('identity', function ($input) {
+ return $input;
+ }, function (array $values, $input) {
+ return $input;
+ }),
+ );
+ }
+}