Viewing file:  call_user_func_array.php (2.89 KB) -rw-rw-rw-
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2004 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 3.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/3_0.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Aidan Lister <aidan@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: call_user_func_array.php,v 1.13 2005/01/26 04:55:13 aidan Exp $
/**
* Replace call_user_func_array()
*
* @category PHP
* @package PHP_Compat
* @link http://php.net/function.call_user_func_array
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 1.13 $
* @since PHP 4.0.4
* @require PHP 4.0.0 (user_error)
*/
if (!function_exists('call_user_func_array')) {
function call_user_func_array($function, $param_arr)
{
$param_arr = array_values((array) $param_arr);
// Sanity check
if (!is_callable($function)) {
if (is_array($function) && count($function) > 2) {
$function = $function[0] . '::' . $function[1];
}
$error = sprintf('call_user_func_array() First argument is expected ' .
'to be a valid callback, \'%s\' was given', $function);
user_error($error, E_USER_WARNING);
return;
}
// Build argument string
$arg_string = '';
$comma = '';
for ($i = 0, $x = count($param_arr); $i < $x; $i++) {
$arg_string .= $comma . "\$param_arr[$i]";
$comma = ', ';
}
// Determine method of calling function
if (is_array($function)) {
$object =& $function[0];
$method = $function[1];
// Static vs method call
if (is_string($function[0])) {
eval("\$retval = $object::\$method($arg_string);");
} else {
eval("\$retval = \$object->\$method($arg_string);");
}
} else {
eval("\$retval = \$function($arg_string);");
}
return $retval;
}
}
?>
|