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