一个php数据流应用的小例子

2. /**
3. php数据流应用
4. date：2013/2/19
5. */
6. $count = 5;
7. start:
8. if($count < 5) echo "You can try {$count} time, ";
9. echo "Put Password: ";
10. $handle = fopen ("php://stdin","r");
11. $line = fgets($handle);
12. if(trim($line) != '123456'){
13. $count--;
14. if(!$count) goto error;
15. goto start;
16. }
17. goto success;
18. error:
19. echo "Please try after 1 hour! http://bbs.it-home.org";
20. goto out;
21. success:
22. echo "Logined!";
23. out:
24. ?>

效果图如下所示：