PHP What Is GD?

Feb 04, 2009 Author: Developer

GD is a C graphics library that allows you to create and manipulate .jpegs, .pngs, and
.wbmps. What’s that you say? No support for .gifs? That is correct. There used to be a GD
library out there at one time that supported the .gif file format, but since Unisys (the company
that owns the patent on LWZ compression that .gifs use) changed their licensing
agreements, GD has stopped supporting the .gif file format. This could change in the next year, because Boutell (the company that makes the GD library) is planning to support .gifs
as soon as the patent expires. Meanwhile, have no fear because .pngs support all of the features
of a .gif

PHP Installing GD

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