Symfony: Doctrine slugify кириллица

/lib/Slugify.class.php

class SlugifyClass {
  static function Slugify($title) {
    $gost = array(
     "Є"=>"EH","І"=>"I","і"=>"i","№"=>"#","є"=>"eh",
     "А"=>"A","Б"=>"B","В"=>"V","Г"=>"G","Д"=>"D",
     "Е"=>"E","Ё"=>"JO","Ж"=>"ZH",
     "З"=>"Z","И"=>"I","Й"=>"JJ","К"=>"K","Л"=>"L",
     "М"=>"M","Н"=>"N","О"=>"O","П"=>"P","Р"=>"R",
     "С"=>"S","Т"=>"T","У"=>"U","Ф"=>"F","Х"=>"KH",
     "Ц"=>"C","Ч"=>"CH","Ш"=>"SH","Щ"=>"SHH","Ъ"=>"'",
     "Ы"=>"Y","Ь"=>"","Э"=>"EH","Ю"=>"YU","Я"=>"YA",
     "а"=>"a","б"=>"b","в"=>"v","г"=>"g","д"=>"d",
     "е"=>"e","ё"=>"jo","ж"=>"zh",
     "з"=>"z","и"=>"i","й"=>"jj","к"=>"k","л"=>"l",
     "м"=>"m","н"=>"n","о"=>"o","п"=>"p","р"=>"r",
     "с"=>"s","т"=>"t","у"=>"u","ф"=>"f","х"=>"kh",
     "ц"=>"c","ч"=>"ch","ш"=>"sh","щ"=>"shh","ъ"=>"",
     "ы"=>"y","ь"=>"","э"=>"eh","ю"=>"yu","я"=>"ya","«"=>"","»"=>"","—"=>"-"," "=>"-"
    );

    $iso = array(
     "Є"=>"YE","І"=>"I","Ѓ"=>"G","і"=>"i","№"=>"#","є"=>"ye","ѓ"=>"g",
     "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"=>"X",
     "Ц"=>"C","Ч"=>"CH","Ш"=>"SH","Щ"=>"SHH","Ъ"=>"'",
     "Ы"=>"Y","Ь"=>"","Э"=>"E","Ю"=>"YU","Я"=>"YA",
     "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"=>"x",
     "ц"=>"c","ч"=>"ch","ш"=>"sh","щ"=>"shh","ъ"=>"",
     "ы"=>"y","ь"=>"","э"=>"e","ю"=>"yu","я"=>"ya","«"=>"","»"=>"","—"=>"-"," "=>"-"
    );

    $rtl_standard = sfConfig::get('rtl_standard', 'gost') ;

    //to lower case

    $title = mb_strtolower($title, 'UTF-8');
    
    switch ($rtl_standard) {
      case 'off':
          return $title;
      case 'gost':
          $out = trim(strtr($title, $gost), '-');
      default:
          $out = trim(strtr($title, $iso), '-');
    }
    
    // clean slug
    $out = preg_replace('/[^a-z0-9\-]+/i', '', $out);
    return $out;
  }
}

Использование

Post:
  actAs:
    Timestampable: ~
    Taggable: ~
    Sluggable:
      unique: true
      fields: [title]
      canUpdate: true
      builder: [SlugifyClass, Slugify]