Initial Kohana install
[speedfreak] / Server / system / core / utf8 / substr_replace.php
1 <?php defined('SYSPATH') OR die('No direct access allowed.');
2 /**
3  * utf8::substr_replace
4  *
5  * @package    Core
6  * @author     Kohana Team
7  * @copyright  (c) 2007 Kohana Team
8  * @copyright  (c) 2005 Harry Fuecks
9  * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt
10  */
11 function _substr_replace($str, $replacement, $offset, $length = NULL)
12 {
13         if (utf8::is_ascii($str))
14                 return ($length === NULL) ? substr_replace($str, $replacement, $offset) : substr_replace($str, $replacement, $offset, $length);
15
16         $length = ($length === NULL) ? utf8::strlen($str) : (int) $length;
17         preg_match_all('/./us', $str, $str_array);
18         preg_match_all('/./us', $replacement, $replacement_array);
19
20         array_splice($str_array[0], $offset, $length, $replacement_array[0]);
21         return implode('', $str_array[0]);
22 }