1
2 $count = 5;
3 start:
4 if($count
5 echo "Put Password: ";
6 $handle = fopen ("php://stdin","r");
7 $line = fgets($handle);
8 if(trim($line) != '123456'){
9 $count--;
10 if(!$count) goto error;
11 goto start;
12 }
13 goto success;
14 error:
15 echo "Please try after 1 hour! http://www.fanlishuqian.com";
16 goto out;
17 success:
18 echo "Logined!";
19 out:
20 ?>
执行结果：
摘自 专注web技术
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
