Code Folding

File | Settings | Editor | General | Code Folding for Windows and Linux
PhpStorm | Preferences | Editor | General | Code Folding for OS X
Ctrl+Alt+S

Use this page to specify your code folding preferences.

Item	Description
Show code folding outline	Select this check box if you want the code folding toggles (, and ) to be shown in the editor. Clear the check box to hide the toggles.
Collapse by default	Select the code fragments which should be folded by default, that is, when a file is first opened in the editor.