THESE CODES ARE PROVIDED FOR AN EXAMPLE OF HOW TO USE IMAGEMAGICK WITH PHP. CARE SHOULD BE TAKEN WHEN ACCEPTING USER INPUT.
I TAKE NO RESPONSABILTY FOR ANY PROBLEMS THAT MAY OCCURE WHEN USING ANY OF THIS CODE.
IT IS UP TO YOU TO SECURE THE CODE AND VALIDATE USER INPUT.
$animation = $input16;
$watermark = $input15;
$watermarked_animation = "morph.gif";
$cmd = " $animation -coalesce -gravity South ".
" -geometry +0+0 null: $watermark -layers composite -layers optimize ";
exec("convert $cmd $watermarked_animation ");