Miscellany

Class Qz {		public $qzid;	public $qsnum;	public $qsid;	public $qztitle;		protected $questions;		function __construct($qzid, $qsnum = 1) {		if($this->is_qz($qzid, true)) {			$this->qzid = $qzid;		}		$this->qztitle = Qz_Data::get_var("SELECT qz_title FROM qz_quizzes WHERE qzid = '$this->qzid'");		$this->qsnum = $qsnum;		$this->questions = Qz_Data::select('qsid, question', 'qz_questions', "qzid=$this->qzid", 'qsnum ASC');		$this->qsid = $this->question($this->$qsnum)->qsid;	}.....Class Qz_Data {	function __call($method, $args) {		$db = QzDB::get();		return $db->$method($args[0]);	}..... Fatal error: Call to undefined method Qz_Data::get_var() in /www/firas/lushlab/quizzical/functions.php on line 204