How to show the PhpStorm debugger/stack trace viewer after it's been replaced with a search, for example?
I'm talking about this:
Which gets hidden when running "show usages":
You should be able to switch using tool window buttons. As an example:
If you have them hidden (e.g. to have more screen space etc -- this can be triggered using View | Tool Buttons
) then you can still access them via View | Tool Windows
menu.