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Adding image on image (Eg. QR code on certificates or Stamp on image.)

 <?php

header('Content-type: image/jpeg');

$image1='format.jpg';
$image2='qr_sample.png';


list($width, $height) = getimagesize($image2);

$image1 = imagecreatefromstring(file_get_contents($image1));

$image2 = imagecreatefromstring(file_get_contents($image2));


// imagecopymerge(dst_im, src_im, dst_x, dst_y, src_x, src_y, src_w, src_h, pct)
imagecopymerge($image1, $image2, 280, 180, 0, 0, $width, $height, 100);

// display img in browser
imagepng($image1);

// save image on server
// imagejpeg($image1,"trial.jpg");



?>

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