# 第二章 PHP [语言基础](Yu%20Yan%20Ji%20Chu.html) [算法](Chang%20Jian%20Suan%20Fa%20PHPBan.html) [laravel](laravel.html) [Yii2](Yii2__Jiao%20Cheng.html) [thinkphp6](thinkphp6Xue%20Xi%20Bi%20Ji.html) [dedecms](Zhi%20Meng%20dedecmsKai%20Fa.html) [PHP相关工具](PHPXiang%20Guan%20Gong%20Ju.html) [PHP开源库](PHPKai%20Yuan%20Ku.html) [dll扩展](dllKuo%20Zhan.html) [常用代码库](Chang%20Yong%20Dai%20Ma%20Ku.html) [微擎框架](Wei%20Qing.html) [人人商城](Ren%20Ren%20Shang%20Cheng%20Kai%20Fa.html) [常用JSON状态码](Chang%20Yong%20JSONZhuang%20Tai%20Ma.html)