PHPStorm的注释功能

You can comment and uncomment lines and blocks of code using Ctrl+/ and Ctrl+Shift+/:
Ctrl+/ comments or uncomments the current line or the selected block with single line comments (//…).
Ctrl+Shift+/ encloses the selected block in a block comment (/*…*/).
To uncomment a commented block, position the caret anywhere inside it and press Ctrl+Shift+/ .