- CSS contents and browser compatibility from Quirksmode.org. This chart shows a list of CSS properties and the differences in browser support for them.
- Image resizing in PHP – there are two sets of libraries that can do image resizing and other processing in PHP: MagickWand with ImageMagick and GD. Our server only has the GD libraries installed. Here’s a tutorial that claims to simply explain resizing with GD.
- Creating a PDF in PHP – relies on PHPLib PHP libraries which are not installed on our servers, but may be installed on other servers.
- Twitter API Wiki
- Facebook Platform Documentation / Facebook Connect / Facebook Share button
- Bitly API