CakePHP, Eclipse PHP plugin initial setting....configure .ctp file in Eclipse

I already had Eclipse 3.6 but not PHP development environment.

PHP development environment in Eclipse is called PDT.
I followed the instruction in the following page.
http://wiki.eclipse.org/PDT/Installation#From_Update_Site

Then, I wanted to use Aptana plugin.
I found the instructions in the following page.
http://docs.aptana.com/docs/index.php/Plugging_Aptana_into_an_existing_Eclipse_configuration

Now,  you want to configure .ctp(view) files in Eclipse as php files.

• Firstly open the  Eclipse workspace.
• Now go to Preferences from Window menu.
• From Preference click on the General tab from the list.
• Now click on Content-Types under General  tab.
• On the right panel in the Content-Types, expand the Text tab.
• Select PHP Content-Types .
• Now click on the Add button and type the fie extension e.g. *.ctp in the content type input field.