How to activate function reference in WebStorm/PHPStorm?

Question

Is there function reference integrated in PHPStorm/WebStorm ?

I mean like when i point my cursor on some php function , then I press e.g. F1 and it will show me function details (parameters, usage...) on separate page.

Is this integrated in phpstorm/webstorm ?

Answer 1

Press Ctrl+Q on any reference to see a doc popup Press Shift-F1 on any reference to open external link (the one lised in quick doc)

Answer 2

I finally figured it out on my imac. Its CTRL + J on MAC

Answer 3

You can also hold down Ctrl and hover over for a quick definition and furthermore click (by default) on the function name to jump to the function definition itself.