// ================================ Do stuff with the message  ================================ //
// are we in the correct time slot (Sunday)
if (7 == $dayOfWeekIs && $timeIs > 43200 && $timeIs < 64875) {
    // is this the buyer?
    $theBuyer = $mm->getWeekBuyer();
    if ($theBuyer['number'] == $receivedFrom) {
        // check to make sure they have not verified already
        if (NULL !== $mm->getIsWeekStatusSet()) {
            $mm->setSendMessage($receivedFrom, 'Sorry, you\'ve already replied a status for this week!');
            header($_SERVER['SERVER_PROTOCOL'] . ' OK', true, 200);
            exit;
        }
        // is this a confirmation from the buyer?
        if ('yes' == strtolower(substr($messageBody, 0, 4))) {
            $mm->setSendMessageToAll("Kudos to {$theBuyer['name']}! Monster Monday is a go.");
            $mm->setWeekStatus(TRUE);
            // mark this week as a success
            $mm->logMessage('localhost', "Kudos to {$theBuyer['name']}! Monster Monday is a go.");
            header($_SERVER['SERVER_PROTOCOL'] . ' OK', true, 200);
            exit;
        }
        // is this a cancelation from the buyer?
        if ('no' == strtolower(substr($messageBody, 0, 2))) {
            $mm->setSendMessage($receivedFrom, "Monster Monday is off. {$theBuyer['name']} has declined. Well, this sucks.");
            $mm->setWeekStatus(FALSE);
            // mark this week as a fail
            $mm->logMessage('localhost', "Monster Monday is off. {$theBuyer['name']} has declined. Well, this sucks.");
            header($_SERVER['SERVER_PROTOCOL'] . ' OK', true, 200);
            exit;
        }
    }