How to enable autocomplete/syntax-highlight for PHP core functions in Eclipse?

Question

I searched a lot, checked many times the neccesary steps, but it still don\'t work.

My environment is :

1. Latest eclipse for PHP developer package

Answer 1

Right-Click on your project -> Configure -> Add PHP Support...

Works for me on Eclipse 3.5 / PDT 2.1

Answer 2

If issue is still exists, follow the following steps:

1. Remove project from eclipse.

2. Goto your project folder and remove .Settings folder and .project file.

3. Again import php project with different name.

it's work for me.

Answer 3

Nothing helped, but this:

In Eclipse:

Go to Window -> Preferences -> General -> Editors -> File Associations

Click Add

Type *.php

Under Associated Editors choose PHP Editor and click Default on the right.

Close and open your php file.

Answer 4

Right-Click on your project -> Configure -> Convert to PHP Project...

Works for me on Eclipse 4.6 / PDT 5.2

Answer 5

There are 3 .dll files: model.h2.db, model.lock.db and model.trace.db under workspace/.metadata/.plugins/org.eclipse.dltk.core.index.sql.h2

Remove these files and restart Eclipse.

Answer 6

For me, nothing worked, except:

1. Backup and then delete the .db files under: /.metadata/.plugins/org.eclipse.dltk.core.index.sql.h2/
2. Restart eclipse.

I got this tip from #4 in: http://www.nwiresoftware.com/blogs/nwire/2010/09/five-tips-speeding-eclipse-pdt-and-nwire