gistfile1.php

<?php

require ('mollom.php');

Mollomss::setPublicKey('key');
Mollomss::setPrivateKey('key');
$servers = Mollomss::getServerList();
Mollomss::setServerList($servers);

if(Mollomss::checkCaptcha($_POST[mollom_captcha_id], $_POST[mollom_captcha_val])){
    $passed = true;

echo 'That is the correct answer';

   }else{
    $passed = false;

echo'Sorry, we think you might be a spammer.';
    }
    echo '<br>';
    echo 'passed ' . $passed;
?>

gistfile2.js

    function mollomCaptcha() {
        var mollom_captcha = $("#mollom_input");
        var mollom_captcha_id = $("#captcha_id");

        mollom_captcha.keyup(function () {
            console.log(mollom_captcha.val());
            $.post("/mollom_check.php", {
                mollom_captcha_val: mollom_captcha.val(),
                mollom_captcha_id: mollom_captcha_id.val()
            }, function (data) {
                if ((data[0])){
                $("#mollom_check").html(data);
                console.log(data);
            }
            });
        });

    }