I work now in Codelobster PHP Edition.
It’s very comfortable and free PHP, HTML, CSS, JavaScript editor.
The last version become Portable, that allows to install it on the flash drive
and use it on any computer
Want to mark the presence of PHP debugger, that make this editor valuable PHP IDE.
+it have special plugins for autocomplete and context help for
Drupal, Joomla, JQuery, Smarty, WordPress, Facebook, CakePHP and CodeIgniter.
http://www.codelobster.com