/**
  * Кэш форм обучения
  *
  * @static
  * @return CArrayList
  */
 public static function getCacheEducationForms()
 {
     if (is_null(self::$_cacheEdForms)) {
         self::$_cacheEdForms = new CArrayList();
         foreach (CActiveRecordProvider::getAllFromTable(TABLE_EDUCATION_FORMS)->getItems() as $item) {
             $term = new CTerm($item);
             self::$_cacheEdForms->add($term->getId(), $term);
         }
     }
     return self::$_cacheEdForms;
 }