private function checkQR($tQR) { $result = true; $qr = new QRModel(); $qr->getByID(base64_decode($tQR)); if ($qr->textQR == null || $qr->textQR == "") { return false; } if ($qr->status == "0") { $qr->status = "1"; $qr->save(); $result = true; } else { $result = false; } return $result; }