在线base64解密

1<form action="64.php" method="GET">
2<p>base64密文: <input type="text" name="code" />
3<input value="给我转" type="submit" /><p>
4</form>

1<?php
2$str = $_GET["code"];
3echo "code：".base64_decode($str)."</br>";
4?>