### PhpStorm 中切换PHP版本 ~~~ 设置PhpStorm PHP版本步骤 File => Settings... => Languages & Frameworks => PHP ~~~ ~~~ 如果 language level不能选择，是因为勾选了同步 composer php版本，取消勾选再重新设置即可 File => Settings... => Languages & Frameworks => PHP => Composer => Synchronize IDE Setting with composer.json ~~~ ### PhpStorm编辑器背景图片设置 ~~~ 双击键盘shift键或者是Ctrl+Shift+A键调出编辑器搜索栏，输入Set Background Image进行设置 ~~~ ### PhpStorm 设置注释符缩进位置 ~~~ File > Settings > Editor > Code Style > PHP 取消勾选`Other`选项卡下的`Line comment at first column` 勾选`Add a space at comment start`可在`//`后自动添加一个空格 ~~~