<?php namespace Nextend\Framework\Misc\StringPhp; class MultiByte implements StringInterface { public function strpos($haystack, $needle, $offset = 0) { return mb_strpos($haystack, $needle, $offset); } public function substr($string, $start, $length = null) { return mb_substr($string, $start, $length); } public function strlen($string) { return mb_strlen($string); } }