<?php defined('SYSPATH') OR die('No direct script access.'); /** * UTF8::substr_replace * * @package Kohana * @author Kohana Team * @copyright (c) 2007-2012 Kohana Team * @copyright (c) 2005 Harry Fuecks * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt */ function _substr_replace($str, $replacement, $offset, $length = NULL) { if (UTF8::is_ascii($str)) return ($length === NULL) ? substr_replace($str, $replacement, $offset) : substr_replace($str, $replacement, $offset, $length); $length = ($length === NULL) ? UTF8::strlen($str) : (int) $length; preg_match_all('/./us', $str, $str_array); preg_match_all('/./us', $replacement, $replacement_array); array_splice($str_array[0], $offset, $length, $replacement_array[0]); return implode('', $str_array[0]); }