学习网址

yii2 

http://blog.youkuaiyun.com/u012979009/article/category/6202463/3

yii2 日常所用的教程: http://www.fancyecommerce.com/

架构

架构之路: http://www.cnblogs.com/freeflying/category/724051.html

                  http://blog.youkuaiyun.com/nuli888/article/category/6296847/3

各大网站架构：http://blog.youkuaiyun.com/yangqicong/article/category/921154

重构: 

代码重构: http://blog.youkuaiyun.com/hguisu/article/category/1152364

php底层

php内核: http://blog.youkuaiyun.com/hguisu/article/category/1104862