Viewing file:  array_combine.php (2.72 KB) -rw-rw-rw-
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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_combine.php,v 1.21 2005/01/28 02:27:52 aidan Exp $
/**
* Replace array_combine()
*
* @category PHP
* @package PHP_Compat
* @link http://php.net/function.array_combine
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 1.21 $
* @since PHP 5
* @require PHP 4.0.0 (user_error)
*/
if (!function_exists('array_combine')) {
function array_combine($keys, $values)
{
if (!is_array($keys)) {
user_error('array_combine() expects parameter 1 to be array, ' .
gettype($keys) . ' given', E_USER_WARNING);
return;
}
if (!is_array($values)) {
user_error('array_combine() expects parameter 2 to be array, ' .
gettype($values) . ' given', E_USER_WARNING);
return;
}
$key_count = count($keys);
$value_count = count($values);
if ($key_count !== $value_count) {
user_error('array_combine() Both parameters should have equal number of elements', E_USER_WARNING);
return false;
}
if ($key_count === 0 || $value_count === 0) {
user_error('array_combine() Both parameters should have number of elements at least 0', E_USER_WARNING);
return false;
}
$keys = array_values($keys);
$values = array_values($values);
$combined = array();
for ($i = 0; $i < $key_count; $i++) {
$combined[$keys[$i]] = $values[$i];
}
return $combined;
}
}
?>
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