student integral0
After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：PHP data type string
echo 输出
双引号执行转义字符 单引号不执行
2018-03-050个赞
Courses in the relevant section：CI model
m 模型 v 视图 c 控制
2018-08-070个赞
