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139 root 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 */
32 if (!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  
130 kaklik 75 ?>