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- <?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: array_chunk.php,v 1.14 2005/01/26 04:55:13 aidan Exp $
-
-
- /**
- * Replace array_combine()
- *
- * @category PHP
- * @package PHP_Compat
- * @link http://php.net/function.array_chunk
- * @author Aidan Lister <aidan@php.net>
- * @author Thiemo MĪ£ttig (http://maettig.com)
- * @version $Revision: 1.14 $
- * @since PHP 4.2.0
- * @require PHP 4.0.0 (user_error)
- */
- if (!function_exists('array_chunk')) {
- function array_chunk($input, $size, $preserve_keys = false)
- {
- if (!is_array($input)) {
- user_error('array_chunk() expects parameter 1 to be array, ' .
- gettype($input) . ' given', E_USER_WARNING);
- return;
- }
-
- if (!is_numeric($size)) {
- user_error('array_chunk() expects parameter 2 to be long, ' .
- gettype($size) . ' given', E_USER_WARNING);
- return;
- }
-
- $size = (int)$size;
- if ($size <= 0) {
- user_error('array_chunk() Size parameter expected to be greater than 0',
- E_USER_WARNING);
- return;
- }
-
- $chunks = array();
- $i = 0;
-
- if ($preserve_keys !== false) {
- foreach ($input as $key => $value) {
- $chunks[(int)($i++ / $size)][$key] = $value;
- }
- } else {
- foreach ($input as $value) {
- $chunks[(int)($i++ / $size)][] = $value;
- }
- }
-
- return $chunks;
- }
- }
-
- ?>