/**
  * Checks if given language already exists on WP.
  *
  * @param $language
  *
  * @return bool
  */
 private function language_exists($language)
 {
     $all_lngs = mlp_get_available_languages();
     $short_code = Wpml2mlp_Helper::get_short_language($language['language_code']);
     $short_locale = Wpml2mlp_Helper::get_short_language($language['default_locale']);
     foreach ($all_lngs as $lng) {
         $short_lng = Wpml2mlp_Helper::get_short_language($lng);
         if ($short_code == $short_lng || $short_locale == $short_lng) {
             return TRUE;
         }
     }
     return FALSE;
 }