1<?php
2
3/*
4 * This file is part of Mustache.php.
5 *
6 * (c) 2010-2017 Justin Hileman
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/**
13 * Unknown helper exception.
14 */
15class Mustache_Exception_UnknownHelperException extends InvalidArgumentException implements Mustache_Exception
16{
17    protected $helperName;
18
19    /**
20     * @param string    $helperName
21     * @param Exception $previous
22     */
23    public function __construct($helperName, Exception $previous = null)
24    {
25        $this->helperName = $helperName;
26        $message = sprintf('Unknown helper: %s', $helperName);
27        if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
28            parent::__construct($message, 0, $previous);
29        } else {
30            parent::__construct($message); // @codeCoverageIgnore
31        }
32    }
33
34    public function getHelperName()
35    {
36        return $this->helperName;
37    }
38}
39