base64编码 解密

$Code = '加密字符串'; // base64编码 
$File = 'c:/bb.php';//解码后保存的文件 
$Temp = base64_decode($Code); //单解密
$temp = gzinflate($Temp); //双解密
$FP = fopen($File,"w"); 
fwrite($FP,$temp); 
fclose($FP); 
echo "解密成功！";