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[yaffs-website] / vendor / symfony / expression-language / ExpressionFunction.php

diff --git a/vendor/symfony/expression-language/ExpressionFunction.php b/vendor/symfony/expression-language/ExpressionFunction.php
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+<?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;
+
+/**
+ * Represents a function that can be used in an expression.
+ *
+ * A function is defined by two PHP callables. The callables are used
+ * by the language to compile and/or evaluate the function.
+ *
+ * The "compiler" function is used at compilation time and must return a
+ * PHP representation of the function call (it receives the function
+ * arguments as arguments).
+ *
+ * The "evaluator" function is used for expression evaluation and must return
+ * the value of the function call based on the values defined for the
+ * expression (it receives the values as a first argument and the function
+ * arguments as remaining arguments).
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ExpressionFunction
+{
+    private $name;
+    private $compiler;
+    private $evaluator;
+
+    /**
+     * Constructor.
+     *
+     * @param string   $name      The function name
+     * @param callable $compiler  A callable able to compile the function
+     * @param callable $evaluator A callable able to evaluate the function
+     */
+    public function __construct($name, $compiler, $evaluator)
+    {
+        $this->name = $name;
+        $this->compiler = $compiler;
+        $this->evaluator = $evaluator;
+    }
+
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    public function getCompiler()
+    {
+        return $this->compiler;
+    }
+
+    public function getEvaluator()
+    {
+        return $this->evaluator;
+    }
+}