PDT Eclipse Annoying Bug with Namespaces and external project

Question

I recently installed Eclipse PHP (PDT) 64bit; Java 64bit. It loads fine.

Then I imported Handlebars; handlebars.js, two projects from Github. And my own; separate project.

Because it's a new installation since a while, it also came with PHP7 for the first time for me.

It started showing these annoying errors, and I can't get rid of them. Googled about it, to no avail. I could ask on stackoverflow, but Im sure they will complain about 'software specific issue' if I did.

Can someone help me out; is this a project setting that I overlooked (Ie. do I need to add a 'linked project' of Handlebars, etc.). It seems like an easy fix to me, I just dont see the solution.

Answer 1

You need to add those projects as 'included libraries' first.

1. In the Project Explorer, Right click on your project, click Properties.
2. Expand and select PHP > Source Paths > Include Path
3. Select the Projects tab.
4. Click Add.
5. Select the project(s) whose code contains the correct references/namespaces/classes etc.
6. Click OK.
7. Click Apply and Close.

That should do it, and it worked for me. Hope this will help someone else.