Thanks for all your recommendations and hints, they are a great help to me.
For those which will find this post later on here a short summary:
Recommendations______#votes__________#rank usage (out of the link provided)
PhpStorm (pay)________IIIII_____________1
Sublime text 3 (free)____III______________2
Netbeans (free)________II______________ 3
Aptana _______________I
Code Lobster __________I
Titanium Studio ________I
I bought already PhpStorm and downloaded Sublime text 3, I am interested if the money invested for PhpStorm its worth it.
