After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：View and determine data types of PHP data types
gettype() ：传入一个变量，能获得变量的数据类型 var_dump()：传入一个变量，输出变量类型和值
2023-12-240个赞
Courses in the relevant section：What is the basic syntax of PHP? Tags, annotations, etc.
标准格式 单行注释 // 多行注释 /* */
2023-05-100个赞
