student integral0
After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：Variables in php - you will know variables after studying in junior high school
1.必须要以$开始。如变量x必须要写成$x 2.变量的首字母不能以数字开始 3.变量的名字区分大小写 4.变量不要用特殊符号、中文，_不算特殊符号 5.变量命名要有意义（别写xxx，aaa，ccc这种 变量名）
2018-07-240个赞
