// Load the stamp and the photo to apply the watermark to

$stamp = imagecreatefrompng('stamp.png');

$im = imagecreatefromjpeg('photo.jpeg');

 

// Set the margins for the stamp and get the height/width of the stamp image

$marge_right = 10;

$marge_bottom = 10;

$sx = imagesx($stamp);

$sy = imagesy($stamp);

 

// Copy the stamp image onto our photo using the margin offsets and the photo 

// width to calculate positioning of the stamp. 

imagecopy($im, $stamp, imagesx($im) - $sx - $marge_right, imagesy($im) - $sy - $marge_bottom, 0, 0, imagesx($stamp), imagesy($stamp));

 

// Output and free memory

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

imagepng($im);

imagedestroy($im);