编码和解码函数

---

 $data = "VGhpcyBpcyBhIAptdWx0aS1saW5lIG1lc3NhZ2UK";//解码前的值
 print ($data);
 print(base64_decode($data));      //进行解码
?>
 print("

---

");
 $text = "这是一个多行信息\n";
 print ($text);
 print(base64_encode($text));      //编码
?>

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