yandex transliteration function

translit_ya.php

<?php
function translit_ya($str)
{
	$dict = array('а'=>'a','б'=>'b','в'=>'v','г'=>'g','д'=>'d','е'=>'e','ё'=>'yo','ж'=>'zh','з'=>'z','и'=>'i','й'=>'j','к'=>'k','л'=>'l','м'=>'m','н'=>'n','о'=>'o','п'=>'p','р'=>'r','с'=>'s','т'=>'t','у'=>'u','ф'=>'f','х'=>'h','ц'=>'c','ч'=>'ch','ш'=>'sh','щ'=>'sch','ъ'=>'','ы'=>'y','ь'=>'','э'=>'e','ю'=>'yu','я'=>'ya',' '=>'_','–'=>'-','—'=>'-','&'=>'_','"'=>'','<'=>'','>'=>'','…'=>'','′'=>'','″'=>'','‘'=>'','’'=>'','‚'=>'','“'=>'','”'=>'','„'=>'','«'=>'','»'=>'', ' '=>'_');
	return preg_replace("/_+/", "_", strtr(mb_strtolower($str, mb_detect_encoding($str)), $dict));
}