array_chunk.php
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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> |
// +----------------------------------------------------------------------+
//
// $Id$
/**
* Replace array_combine()
*
* @category PHP
* @package PHP_Compat
* @link http://php.net/function.array_chunk
* @author Aidan Lister <aidan@php.net>
* @author Thiemo Mättig (http://maettig.com)
* @version $Revision$
* @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;
}
}
?>