<?php if($_POST["username"]=="abc" && $_POST["passwd"]=="123") { $login="yes"; } if($login=="yes") { echo "登入成功!"; } else { echo "登入失敗!"; } ?>
Standard input is empty
登入失敗!
PHP Notice: Undefined index: username in /home/NLnzl3/prog.php on line 2 PHP Notice: Undefined variable: login in /home/NLnzl3/prog.php on line 6