Class.graph is similar to Perl's package GIFgraph in a user's perspect, but has more features.
Class.graph plots both 2D and 3D charts. It is suitable for dynamic data presentation on the
web. It is pure PHP and requires GD library support in PHP.
Version 2.x features
PHP4 ready. Twice as fast when using PHP4. PNG support.
More cool features like shadow, background etc.
Removed 100 data points limitation
New class management scheme
Added stock charts in version 2.x