public function __construct($user_id = '') { parent::__construct(); if (!empty($user_id)) { $this->user_id = $user_id; } $this->CI =& get_instance(); if (!isset($this->CI->dbapi)) { $this->CI->load->model("DBAPI", "dbapi", TRUE); } $this->CI->load->model("BeginnerModel", "BeginnerModel", TRUE); }