composer global require "squizlabs/php_codesniffer=*"

## 获取phpmd安装路径
composer global config bin-dir --absolute


## 配置md路径
File -> Default Setting -> Languages & Frameworks -> PHP
    -> Code Sniffer -> ... -> 添加phpcs路径 -> Apply

## 设置规则
File -> Default Setting -> Editor -> Inspections -> PHP
     -> PHP Code Sniffer validation （打上勾）-> Coding standard -> PSR2 -> Apply

composer global require "phpmd/phpmd"

## 获取phpmd安装路径
composer global config bin-dir --absolute


## 配置md路径
File -> Default Setting -> Languages & Frameworks -> PHP
    -> Mess Detector -> ... -> 添加phpmd路径 -> Apply

## 设置规则
File -> Default Setting -> Editor -> Inspections -> PHP
    -> PHP Mess Detector validation （打上勾）-> 添加额外规则（见上面规则说明） -> Apply