PHP: How to make a green area (background) in an image transparent?

Question

I\'m new here on Stackoverflow.

I would very much like figure out if it\'s possible to make a specific color of an image transparent using a PHP script. And if it is, ho

Answer 1

• demo : http://so.devilmaycode.it/php-how-to-make-a-green-area-background-in-an-image-transparent

first of all the image should be png cause jpeg don't support transparency then the code is like this: