1		<?php
			2		/* vim: set expandtab tabstop=4 shiftwidth=4: */
			3		// +----------------------------------------------------------------------+
			4		// | PHP Version 4                                                        |
			5		// +----------------------------------------------------------------------+
			6		// | Copyright (c) 1997-2004 The PHP Group                                |
			7		// +----------------------------------------------------------------------+
			8		// | This source file is subject to version 3.0 of the PHP license,       |
			9		// | that is bundled with this package in the file LICENSE, and is        |
			10		// | available at through the world-wide-web at                           |
			11		// | http://www.php.net/license/3_0.txt.                                  |
			12		// | If you did not receive a copy of the PHP license and are unable to   |
			13		// | obtain it through the world-wide-web, please send a note to          |
			14		// | license@php.net so we can mail you a copy immediately.               |
			15		// +----------------------------------------------------------------------+
			16		// | Authors: Aidan Lister <aidan@php.net>                                |
			17		// +----------------------------------------------------------------------+
			18		//
			19		// $Id: array_chunk.php,v 1.1 2004-10-26 18:22:16 kostja Exp $
			20		//
			21
			22
			23		/**
			24		* Replace array_combine()
			25		*
			26		* @category    PHP
			27		* @package     PHP_Compat
			28		* @link        http://php.net/function.array_chunk
			29		* @author      Aidan Lister <aidan@php.net>
			30		* @author      Thiemo M�ttig (http://maettig.com)
			31		* @version     $Revision: 1.1 $
			32		* @since       PHP 4.2.0
			33		* @require     PHP 4.0.1 (trigger_error)
			34		*/
			35		if (!function_exists('array_chunk'))
			36		{
			37		function array_chunk ($input, $size, $preserve_keys = false)
			38		{
			39		if (!is_array($input)) {
			40		trigger_error('array_chunk() expects parameter 1 to be array, ' . gettype($input) . ' given', E_USER_WARNING);
			41		return null;
			42		}
			43
			44		if (!is_numeric($size)) {
			45		trigger_error('array_chunk() expects parameter 2 to be long, ' . gettype($size) . ' given', E_USER_WARNING);
			46		return null;
			47		}
			48
			49		$size = (int)$size;
			50		if ($size <= 0)
			51		{
			52		trigger_error('array_chunk() Size parameter expected to be greater than 0', E_USER_WARNING);
			53		return null;
			54		}
			55
			56		$chunks = array();
			57		$i = 0;
			58
			59		if ($preserve_keys !== false)
			60		{
			61		foreach ($input as $key => $value) {
			62		$chunks[(int)($i++ / $size)][$key] = $value;
			63		}
			64		}
			65		else
			66		{
			67		foreach ($input as $value) {
			68		$chunks[(int)($i++ / $size)][] = $value;
			69		}
			70		}
			71
			72		return $chunks;
			73		}
			74		}
			75
			76		?>