<?php $count = 5; start: if($count < 5) echo "You can try {$count} time, "; echo "Put Password: "; $handle = fopen ("php://stdin","r"); $line = fgets($handle); if(trim($line) != '123456'){ $count--; if(!$count) goto error; goto start; } goto success; error: echo "Please try after 1 hour! http://www.fanlishuqian.com"; goto out; success: echo "Logined!"; out: ?>