public static function saveBuy() { $params['courseName'] = $_POST['courseName']; $params['studentName'] = $_POST['studentName']; $params['phone'] = $_POST['phone']; $params['qq'] = $_POST['qq']; $params['email'] = $_POST['email']; $params['others'] = $_POST['others']; mod_buy::saveBuy($params); echo json_encode(array("error" => 0)); }