一个php数据流应用的小例子

/**
 php数据流应用
 date：2013/2/19
*/
$count = 5;
start:
if($count 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://bbs.it-home.org";
goto out;
success:
echo "Logined!";
out:
?>

效果图如下所示：