/**
  * Checks if the site for the provided language already exists
  *
  * @param string $language
  *
  * @return boolean
  */
 public function site_exists($lng)
 {
     $ret = FALSE;
     if ($this->language_exists($lng)) {
         $ret = TRUE;
         // already exists mlp site
     }
     if (!$ret && Wpml2mlp_Helper::is_main_language($lng)) {
         $ret = TRUE;
         // it is default, do we need to create?
     }
     return $ret;
 }