Tool windows can be opened with keyboard shortcuts! They also automatically
get focus this way. And you can move back to the editor window with a
keyboard shortcut as well.
Key mappings
OSX:
To Tool Window: Command + 0..9
From Tool Window to editor: Esc
Win/Linux:
To Tool Window: Alt + 0..9
From Tool Window to editor: Esc
Docs
Keymap (https://resources.jetbrains.com/assets/products/phpstorm/PhpStorm_ReferenceCard.pdf)
Questions/Comments/Suggestions
@PhpStormBriefs (https://twitter.com/phpstormbriefs)