84669 person learning
152542 person learning
20005 person learning
5487 person learning
7821 person learning
359900 person learning
3350 person learning
180660 person learning
48569 person learning
18603 person learning
40936 person learning
1549 person learning
1183 person learning
32909 person learning
好好学习，天天向上！！！
php How to verify the legality of the entered url?-PHP Chinese website Q&A-php How to verify the legality of the entered url?-PHP Chinese website Q&A
Take a look and learn.
首先，定义函数check_url：
使用方法：
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
php How to verify the legality of the entered url?-PHP Chinese website Q&A-php How to verify the legality of the entered url?-PHP Chinese website Q&A
Take a look and learn.
首先，定义函数check_url：
使用方法：