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1 <?php 1 <?php
2 // +----------------------------------------------------------------------+ 2 // +----------------------------------------------------------------------+
3 // | PHP Version 4 | 3 // | PHP Version 4 |
4 // +----------------------------------------------------------------------+ 4 // +----------------------------------------------------------------------+
5 // | Copyright (c) 1997-2004 The PHP Group | 5 // | Copyright (c) 1997-2004 The PHP Group |
6 // +----------------------------------------------------------------------+ 6 // +----------------------------------------------------------------------+
7 // | This source file is subject to version 3.0 of the PHP license, | 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 | 8 // | that is bundled with this package in the file LICENSE, and is |
9 // | available at through the world-wide-web at | 9 // | available at through the world-wide-web at |
10 // | http://www.php.net/license/3_0.txt. | 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 | 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 | 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. | 13 // | license@php.net so we can mail you a copy immediately. |
14 // +----------------------------------------------------------------------+ 14 // +----------------------------------------------------------------------+
15 // | Authors: Aidan Lister <aidan@php.net> | 15 // | Authors: Aidan Lister <aidan@php.net> |
16 // +----------------------------------------------------------------------+ 16 // +----------------------------------------------------------------------+
17 // 17 //
18 // $Id: array_chunk.php,v 1.14 2005/01/26 04:55:13 aidan Exp $ 18 // $Id: array_chunk.php,v 1.14 2005/01/26 04:55:13 aidan Exp $
19   19  
20   20  
21 /** 21 /**
22 * Replace array_combine() 22 * Replace array_combine()
23 * 23 *
24 * @category PHP 24 * @category PHP
25 * @package PHP_Compat 25 * @package PHP_Compat
26 * @link http://php.net/function.array_chunk 26 * @link http://php.net/function.array_chunk
27 * @author Aidan Lister <aidan@php.net> 27 * @author Aidan Lister <aidan@php.net>
28 * @author Thiemo Mättig (http://maettig.com) 28 * @author Thiemo Mättig (http://maettig.com)
29 * @version $Revision: 1.14 $ 29 * @version $Revision: 1.14 $
30 * @since PHP 4.2.0 30 * @since PHP 4.2.0
31 * @require PHP 4.0.0 (user_error) 31 * @require PHP 4.0.0 (user_error)
32 */ 32 */
33 if (!function_exists('array_chunk')) { 33 if (!function_exists('array_chunk')) {
34 function array_chunk($input, $size, $preserve_keys = false) 34 function array_chunk($input, $size, $preserve_keys = false)
35 { 35 {
36 if (!is_array($input)) { 36 if (!is_array($input)) {
37 user_error('array_chunk() expects parameter 1 to be array, ' . 37 user_error('array_chunk() expects parameter 1 to be array, ' .
38 gettype($input) . ' given', E_USER_WARNING); 38 gettype($input) . ' given', E_USER_WARNING);
39 return; 39 return;
40 } 40 }
41   41  
42 if (!is_numeric($size)) { 42 if (!is_numeric($size)) {
43 user_error('array_chunk() expects parameter 2 to be long, ' . 43 user_error('array_chunk() expects parameter 2 to be long, ' .
44 gettype($size) . ' given', E_USER_WARNING); 44 gettype($size) . ' given', E_USER_WARNING);
45 return; 45 return;
46 } 46 }
47   47  
48 $size = (int)$size; 48 $size = (int)$size;
49 if ($size <= 0) { 49 if ($size <= 0) {
50 user_error('array_chunk() Size parameter expected to be greater than 0', 50 user_error('array_chunk() Size parameter expected to be greater than 0',
51 E_USER_WARNING); 51 E_USER_WARNING);
52 return; 52 return;
53 } 53 }
54   54  
55 $chunks = array(); 55 $chunks = array();
56 $i = 0; 56 $i = 0;
57   57  
58 if ($preserve_keys !== false) { 58 if ($preserve_keys !== false) {
59 foreach ($input as $key => $value) { 59 foreach ($input as $key => $value) {
60 $chunks[(int)($i++ / $size)][$key] = $value; 60 $chunks[(int)($i++ / $size)][$key] = $value;
61 } 61 }
62 } else { 62 } else {
63 foreach ($input as $value) { 63 foreach ($input as $value) {
64 $chunks[(int)($i++ / $size)][] = $value; 64 $chunks[(int)($i++ / $size)][] = $value;
65 } 65 }
66 } 66 }
67   67  
68 return $chunks; 68 return $chunks;
69 } 69 }
70 } 70 }
71   71  
72 ?> 72 ?>
73 73