Add watermark in laravel dompdf

public function generatePDF()

{

$data = [

‘title’ => ‘Welcome to Nicesnippets.com’,

‘date’ => date(‘m/d/Y’)

];

$pdf = PDF::loadView(‘myPDF’, $data);

$pdf->setPaper(‘L’);

$pdf->output();

$canvas = $pdf->getDomPDF()->getCanvas();

$height = $canvas->get_height();

$width = $canvas->get_width();

$canvas->set_opacity(.2,“Multiply”);

$canvas->set_opacity(.2);

$canvas->page_text($width/5, $height/2, ‘Nicesnippets.com’, null,

55, array(0,0,0),2,2,-30);

return $pdf->download(‘nicesnippets.pdf’);

}