Crop image in circle (php)

Question

The following code works on my laptop but doesn\'t work on remote server:

Answer 1

Changed the line:

imagecopy($image, $mask, 0, 0, 0, 0, $newwidth, $newheight);

to:

imagecopymerge($image, $mask, 0, 0, 0, 0, $newwidth, $newheight,100);