install

$ docker run –rm -v $(pwd):/app composer require “squizlabs/php_codesniffer=*”

wordpress

Wordpress設定ダウンロード
$ git clone git@github.com:WordPress-Coding-Standards/WordPress-Coding-Standards.git ./vendor/squizlabs/php_codesniffer/CodeSniffer/Standards/WordPress
$ ./vendor/bin/phpcs –config-set installed_paths /var/www/html/vendor/squizlabs/php_codesniffer/CodeSniffer/Standards/WordPress/

確認
$ ./vendor/bin/phpcs -i
The installed coding standards are Squiz, PSR1, PSR2, PEAR, Zend, MySource, WordPress, WordPress-Core, WordPress-Extra, WordPress-VIP and WordPress-Docs

チェック
$ ./vendor/bin/phpcs -p -s -v –standards=Wordpress