PHPStorm

Operations

Change keymapping by CTRL+ALT+S -> Keymapp -> Search -> Right Click -> Add or Remove

• find file: CTRL+SHIFT+N

Coding

• toogle line comment CTRL+7 (remapped)
• toogle block comment CTRL+SHIFT+7 (remapped)
• rename classes, methods and variables: Refactor->Rename or SHIFT+F6
• override methods: Code->Override
• implement methods: Code->Implement methods or CTRL+I
• complete line: CTRL+SHIFT+ENTER
• move to next method in class: CTRL+UP|DOWN

Cross Reference

• open declaration: Navigate->Type Declaration or CRTL+SHIFT+B
• show class hierachy window: CTRL+H
• show method hierachy window: select method and CRTL+SHIFT+H
• show UML class diagram: CRTL+ALT+U
• navigate in actual file: CTRL+F12
• synchronize project tree: ALT+F1