[安装PHP](%E5%AE%89%E8%A3%85PHP.md) [语言基础](%E4%B8%80%E3%80%81PHP%E8%AF%AD%E8%A8%80%E5%9F%BA%E7%A1%80.md) [变量](PHP%E5%8F%98%E9%87%8F.md) [变量操作](%E5%8F%98%E9%87%8F%E6%93%8D%E4%BD%9C.md) [超全局数组变量](%E8%B6%85%E5%85%A8%E5%B1%80%E6%95%B0%E7%BB%84%E5%8F%98%E9%87%8F.md) [变量作用域](%E5%8F%98%E9%87%8F%E4%BD%9C%E7%94%A8%E5%9F%9F.md) [变量传值方式](%E5%8F%98%E9%87%8F%E4%BC%A0%E5%80%BC%E6%96%B9%E5%BC%8F.md) [常量](%E5%B8%B8%E9%87%8F.md) [数据类型](%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B.md) [运算符](%E8%BF%90%E7%AE%97%E7%AC%A6.md) [流程控制](%E6%B5%81%E7%A8%8B%E6%8E%A7%E5%88%B6.md) [文件包含](%E6%96%87%E4%BB%B6%E5%8C%85%E5%90%AB.md) [错误处理](%E9%94%99%E8%AF%AF%E5%A4%84%E7%90%86.md) [字符串操作](%E5%AD%97%E7%AC%A6%E4%B8%B2%E6%93%8D%E4%BD%9C.md) [数组](%E6%95%B0%E7%BB%84.md) [函数](%E5%87%BD%E6%95%B0.md)