1 <?php
2 $count = 5;
3 start:
4 if($count < 5) echo "You can try {$count} time, ";
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 ?>
執行結果：
摘自 專注web技術
