/php/pear/PHP/Compat/Function/array_product.php

 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: Arpad Ray <arpad@php.net>                                   |
16// +----------------------------------------------------------------------+
17//
18// $Id: array_product.php,v 1.1 2005/12/05 14:49:08 aidan Exp $
19
20
21/**
22 * Replace array_product()
23 *
24 * @category    PHP
25 * @package     PHP_Compat
26 * @link        http://php.net/time_sleep_until
27 * @author      Arpad Ray <arpad@php.net>
28 * @version     $Revision: 1.1 $
29 * @since       PHP 5.1.0
30 * @require     PHP 4.0.1 (trigger_error)
31 */
32if (!function_exists('array_product')) {
33    function array_product($array)
34    {
35        if (!is_array($array)) {
36            trigger_error('The argument should be an array', E_USER_WARNING);
37            return;
38        }
39
40        if (empty($array)) {
41            return 0;
42        }
43
44        $r = 1;
45        foreach ($array as $v) {
46            $r *= $v;
47        }
48
49        return $r;
50    }
51}
52    
53?>