public function getLegalTypes() { $query = "select test_type_id, name from test_type"; return parent::getArray($query); }
public function getAll() { return parent::getArray("SELECT `edu_id`, `edu_name` FROM `educations` where state=1"); }
public function getAllClass($major_id) { return parent::getArray("select id, class_name from classes where major_id=" . $major_id); }