CI_Upload::set_allowed_types PHP Метод

    public function set_allowed_types($types)
    {
        $this->allowed_types = (is_array($types) or $types === '*') ? $types : explode('|', $types);
        return $this;
    }

 /**
  * Set Allowed File Types
  *
  * @access	public
  * @param	string extensions of filetypes allowed
  * @return	void
  */
 function set_allowed_types($types)
 {
     if ($types == '*') {
         $this->allowed_types = '*';
     } else {
         parent::set_allowed_types($types);
     }
 }