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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_combine.php,v 1.21 2005/01/28 02:27:52 aidan Exp $ 18 // $Id: array_combine.php,v 1.21 2005/01/28 02:27:52 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_combine 26 * @link http://php.net/function.array_combine
27 * @author Aidan Lister <aidan@php.net> 27 * @author Aidan Lister <aidan@php.net>
28 * @version $Revision: 1.21 $ 28 * @version $Revision: 1.21 $
29 * @since PHP 5 29 * @since PHP 5
30 * @require PHP 4.0.0 (user_error) 30 * @require PHP 4.0.0 (user_error)
31 */ 31 */
32 if (!function_exists('array_combine')) { 32 if (!function_exists('array_combine')) {
33 function array_combine($keys, $values) 33 function array_combine($keys, $values)
34 { 34 {
35 if (!is_array($keys)) { 35 if (!is_array($keys)) {
36 user_error('array_combine() expects parameter 1 to be array, ' . 36 user_error('array_combine() expects parameter 1 to be array, ' .
37 gettype($keys) . ' given', E_USER_WARNING); 37 gettype($keys) . ' given', E_USER_WARNING);
38 return; 38 return;
39 } 39 }
40   40  
41 if (!is_array($values)) { 41 if (!is_array($values)) {
42 user_error('array_combine() expects parameter 2 to be array, ' . 42 user_error('array_combine() expects parameter 2 to be array, ' .
43 gettype($values) . ' given', E_USER_WARNING); 43 gettype($values) . ' given', E_USER_WARNING);
44 return; 44 return;
45 } 45 }
46   46  
47 $key_count = count($keys); 47 $key_count = count($keys);
48 $value_count = count($values); 48 $value_count = count($values);
49 if ($key_count !== $value_count) { 49 if ($key_count !== $value_count) {
50 user_error('array_combine() Both parameters should have equal number of elements', E_USER_WARNING); 50 user_error('array_combine() Both parameters should have equal number of elements', E_USER_WARNING);
51 return false; 51 return false;
52 } 52 }
53   53  
54 if ($key_count === 0 || $value_count === 0) { 54 if ($key_count === 0 || $value_count === 0) {
55 user_error('array_combine() Both parameters should have number of elements at least 0', E_USER_WARNING); 55 user_error('array_combine() Both parameters should have number of elements at least 0', E_USER_WARNING);
56 return false; 56 return false;
57 } 57 }
58   58  
59 $keys = array_values($keys); 59 $keys = array_values($keys);
60 $values = array_values($values); 60 $values = array_values($values);
61   61  
62 $combined = array(); 62 $combined = array();
63 for ($i = 0; $i < $key_count; $i++) { 63 for ($i = 0; $i < $key_count; $i++) {
64 $combined[$keys[$i]] = $values[$i]; 64 $combined[$keys[$i]] = $values[$i];
65 } 65 }
66   66  
67 return $combined; 67 return $combined;
68 } 68 }
69 } 69 }
70   70  
71 ?> 71 ?>
72 72