how to to store Multipale data in QR code using laravel

sir im working on qr code i what to store,( name ,fname ,address ,) this 3 data i what to store in qr code , but now im able to store only one data other 2 i cant add , how to solve this problem ...........................

qr controller

public function view_downlads($id)
    {
         $view_qr = Student::where('student_certificate_approval','APPROVED')->find($id)
         $pdf = PDF::loadView('Admin.View_qr', compact('view_qr'))->setPaper('a4', 'landscape');
         return $pdf->stream('fileName' . '.pdf');
     }

this my view page code

<img height="115" width="115" src="data:image/png;base64," alt="barcode" />

via Chebli Mohamed