「PSR 规范」PSR-2 编码风格规范
https://learnku.com/laravel/t/2079/psr-specification-psr-2-coding-style-specification所有 PSR 规范请见:https://learnku.com/docs/psr
https://learnku.com/laravel/t/2079/psr-specification-psr-2-coding-style-specification所有 PSR 规范请见:https://learnku.com/docs/psr