Aptana now uses the official Eclipse PDT (PHP Development Tools) plugin instead of their own PHP editor. I have Aptana 2.0.2, build date November 10 2009 on my Macbook. I’m building a Drupal module, so I need to have PDT recognize (and correctly color-code) files with .module, .info and .install extensions. There is a Drupal Article on configuring PDT as an Eclipse Plugin, but the steps are different for doing it in Aptana Studio.
The process is quite simple – basically 3 steps. Here they are (assuming you’ve got the PDT plugin installed already):
In Aptana Studio, click on the Aptana Studio/Preferences, expand the General link and click on Content Types:
Next, expand the Text link. This will show you a list of content types supported in the editor. Scroll down until you see the PHP entry:
Click OK. Repeat this step for *.info and *.install (assuming these extensions are not already used for some other language or tool). That’s it! Now, when you open a .module file, it will have the same color-coding and editing as a .php file.