027-PHP编码和解码函数base64

<?php
    $data = "我爱PHP";//解码前的值
    print("我爱PHP: " . base64_encode($data));               //进行解码

    print("<hr>");
    $text = "ztKwrlBIUA";
    print("ztKwrlBIUA: " . base64_decode($text));               //编码
?>