source: branches/version-2_5-dev/data/module/Compat/Compat/Function/call_user_func_array.php @ 19792

Revision 19792, 2.9 KB checked in by Seasoft, 13 years ago (diff)

#744(PHP4 互換用途ソースを将来的に切り捨てやすい仕組みづくり)

Line 
1<?php
2// +----------------------------------------------------------------------+
3// | PHP Version 4                                                        |
4// +----------------------------------------------------------------------+
5// | Copyright (c) 1997-2004 The PHP Group                                |
6// +----------------------------------------------------------------------+
7// | This source file is subject to version 3.0 of the PHP license,       |
8// | that is bundled with this package in the file LICENSE, and is        |
9// | available at through the world-wide-web at                           |
10// | http://www.php.net/license/3_0.txt.                                  |
11// | If you did not receive a copy of the PHP license and are unable to   |
12// | obtain it through the world-wide-web, please send a note to          |
13// | license@php.net so we can mail you a copy immediately.               |
14// +----------------------------------------------------------------------+
15// | Authors: Aidan Lister <aidan@php.net>                                |
16// +----------------------------------------------------------------------+
17//
18// $Id: call_user_func_array.php,v 1.13 2005/01/26 04:55:13 aidan Exp $
19
20
21/**
22 * Replace call_user_func_array()
23 *
24 * @category    PHP
25 * @package     PHP_Compat
26 * @link        http://php.net/function.call_user_func_array
27 * @author      Aidan Lister <aidan@php.net>
28 * @version     $Revision: 1.13 $
29 * @since       PHP 4.0.4
30 * @require     PHP 4.0.0 (user_error)
31 */
32if (!function_exists('call_user_func_array')) {
33    function call_user_func_array($function, $param_arr)
34    {
35        $param_arr = array_values((array) $param_arr);
36
37        // Sanity check
38        if (!is_callable($function)) {
39            if (is_array($function) && count($function) > 2) {
40                $function = $function[0] . '::' . $function[1];
41            }
42            $error = sprintf('call_user_func_array() First argument is expected ' .
43                'to be a valid callback, \'%s\' was given', $function);
44            user_error($error, E_USER_WARNING);
45            return;
46        }
47
48        // Build argument string
49        $arg_string = '';
50        $comma = '';
51        for ($i = 0, $x = count($param_arr); $i < $x; $i++) {
52            $arg_string .= $comma . "\$param_arr[$i]";
53            $comma = ', ';
54        }
55
56        // Determine method of calling function
57        if (is_array($function)) {
58            $object =& $function[0];
59            $method = $function[1];
60
61            // Static vs method call
62            if (is_string($function[0])) {
63                eval("\$retval = $object::\$method($arg_string);");
64            } else {
65                eval("\$retval = \$object->\$method($arg_string);");
66            }
67        } else {
68            eval("\$retval = \$function($arg_string);");
69        }
70
71        return $retval;
72    }
73}
74
75?>
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