Enables syntax highlighting in the integrated source code editors.
Supports PHP, HTML, CSS and JS.
Download from WordPress' official plugin repository
You can also install it automatically in WordPress, by going in Plugins -> Add New, searching for Power Code Editor and clicking Install and then Install Now.
At this time, the following browsers are supported:
* Firefox 1.5 or higher * Internet Explorer 6 or higher * Safari 3 or higher * Opera 9.52 or higher * Chrome
Licensed under the GNU GPL v2.
Uses the excellent CodeMirror JS library