<?php /** * @package utf8 */ //--------------------------------------------------------------- /** * UTF-8 aware substr_replace. * Note: requires utf8_substr to be loaded * @see http://www.php.net/substr_replace * @see utf8_strlen * @see utf8_substr */ function utf8_substr_replace($str, $repl, $start, $length = null) { preg_match_all('/./us', $str, $ar); preg_match_all('/./us', $repl, $rar); if ($length === null) { $length = utf8_strlen($str); } array_splice($ar[0], $start, $length, $rar[0]); return join('', $ar[0]); }