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<?php
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2004 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 3.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/3_0.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Aidan Lister <aidan@php.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id: array_combine.php,v 1.21 2005/01/28 02:27:52 aidan Exp $
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/**
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* Replace array_combine()
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*
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* @category PHP
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* @package PHP_Compat
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* @link http://php.net/function.array_combine
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* @author Aidan Lister <aidan@php.net>
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* @version $Revision: 1.21 $
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* @since PHP 5
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* @require PHP 4.0.0 (user_error)
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*/
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if (!function_exists('array_combine')) {
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function array_combine($keys, $values)
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{
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if (!is_array($keys)) {
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user_error('array_combine() expects parameter 1 to be array, ' .
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gettype($keys) . ' given', E_USER_WARNING);
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return;
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}
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if (!is_array($values)) {
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user_error('array_combine() expects parameter 2 to be array, ' .
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gettype($values) . ' given', E_USER_WARNING);
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return;
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}
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$key_count = count($keys);
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$value_count = count($values);
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if ($key_count !== $value_count) {
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user_error('array_combine() Both parameters should have equal number of elements', E_USER_WARNING);
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return false;
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}
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if ($key_count === 0 || $value_count === 0) {
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user_error('array_combine() Both parameters should have number of elements at least 0', E_USER_WARNING);
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return false;
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}
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$keys = array_values($keys);
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$values = array_values($values);
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$combined = array();
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for ($i = 0; $i < $key_count; $i++) {
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$combined[$keys[$i]] = $values[$i];
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}
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return $combined;
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}
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}
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?>
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