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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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