this is a demo project, that will create a GIF countdown image, for a specified date, with customized background color, and timezone.
(ALL parameters are optional!!)
DIR . DIRECTORY_SEPARATOR/gif.php
DIR . DIRECTORY_SEPARATOR/gif.php?time=2018-03-20+00:00:01&background=00ee00&timezone=Africa/Tunis
DIR . DIRECTORY_SEPARATOR/gif.php?time=2018-03-25+05:50:35&background=70eede&timezone=Africa/Tunis&width=950&height=550