编码和解码函数
<HTML>
<HEAD>
<TITLE>编码和解码函数</TITLE>
</HEAD>
<BODY>
<?
$data = "VGhpcyBpcyBhIAptdWx0aS1saW5lIG1lc3NhZ2UK";//解码前的值
print ($data);
print(base64_decode($data)); //进行解码
?>
<?
print("<hr>");
$text = "这是一个多行信息 ";
print ($text);
print(base64_encode($text)); //编码
?>
</BODY>
</HTML>
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