function promote_enp_HTML($enp_btn_names = false, $return = false)
{
    // check to see if promote_enp is set to true. If it's not, get outta here
    if (promote_enp() !== true) {
        return false;
    }
    if ($enp_btn_names === false || empty($enp_btn_names)) {
        // we're in the comments section... gotta find all our button names
        $args = array('btn_type' => 'comment');
        // get all buttons that are active for comments
        $enp_btns = enp_get_all_btns($args);
        if ($enp_btns === null) {
            return false;
            // quit now if it's all null
        }
        // check to make sure it's not just null values
        // check to make sure it's not just null values
        if (enp_button_exists($enp_btns[0])) {
            foreach ($enp_btns as $enp_btn) {
                if (enp_button_exists($enp_btn)) {
                    $enp_btn_names[] = $enp_btn->get_btn_name();
                }
            }
        }
    }
    // Return Array of buttons being displayed
    $enp_btn_name_text = '';
    if (!empty($enp_btn_names)) {
        $enp_btn_name_text = enp_build_name_text($enp_btn_names);
        $names_count = count($enp_btn_names);
        if ($names_count === 1 || $names_count === 0) {
            $button_pluralize = '';
        } else {
            $button_pluralize = 's';
        }
    }
    $promote_HTML = '<p class="enp-promote">' . $enp_btn_name_text . ' Button' . $button_pluralize . ' powered by the <a href="http://engagingnewsproject.org">Engaging News Project</a></p>';
    if ($return === true) {
        return $promote_HTML;
        // return for appending to HTML
    } else {
        echo $promote_HTML;
        // echo for action hooks
    }
}
function enp_process_update_button_count($pid, $btn_slug, $btn_type, $operator, $user_id)
{
    // Instantiate WP_Ajax_Response
    $response = new WP_Ajax_Response();
    // Verify Nonces
    if (wp_verify_nonce($_REQUEST['nonce'], 'enp_button_' . $btn_type . '_' . $btn_slug . '_' . $pid)) {
        global $wpdb;
        if ($btn_type === 'post') {
            // set our function names
            $get_meta = 'get_post_meta';
            $update_meta = 'update_post_meta';
        } elseif ($btn_type === 'comment') {
            // set our function names
            $get_meta = 'get_comment_meta';
            $update_meta = 'update_comment_meta';
        } else {
            // wait, what kind of post is it then?
            return;
        }
        // get post or comment meta and update it
        $prev_clicks = $get_meta($pid, 'enp_button_' . $btn_slug, true);
        // increase the click by one
        $new_clicks = changeClickCount($prev_clicks, $operator);
        // update the post or comment meta
        $update_meta($pid, 'enp_button_' . $btn_slug, $new_clicks);
        // switch the operator for the next post
        if ($operator === '+') {
            $new_operator = '-';
        } else {
            $new_operator = '+';
        }
        // update the user if there's an ID to use
        $enp_clicked_btn_HTML = '';
        if ($user_id !== '0') {
            // get their previous clicks
            $user_clicks = get_user_meta($user_id, 'enp_button_' . $btn_type . '_' . $btn_slug, true);
            if (empty($user_clicks)) {
                // if it's empty, it'll return an empty string, but we want an array
                $user_clicks = array();
            }
            // are we increasing or decreasing?
            if ($operator === '+') {
                // add the Button ID to the Array
                $key = array_search($pid, $user_clicks);
                if ($key === false) {
                    // They haven't clicked this one before, so add it
                    $user_clicks[] = $pid;
                }
            } else {
                // search the array and return the key/index
                $key = array_search($pid, $user_clicks);
                if ($key !== false) {
                    // remove this one from the array
                    array_splice($user_clicks, $key, 1);
                }
            }
            update_user_meta($user_id, 'enp_button_' . $btn_type . '_' . $btn_slug, $user_clicks);
            // Build button message text
            $args = array('post_id' => $pid, 'btn_type' => $btn_type);
            $enp_btns = enp_get_all_btns($args);
            $enp_user = new Enp_Button_User(array('user_id' => $user_id));
            $enp_clicked_btn_HTML = enp_user_clicked_buttons_HTML($enp_user, $enp_btns, $btn_type, $pid);
        } else {
            $enp_clicked_btn_HTML = '';
            // we need to check localStorage for button clicks
        }
        // update our rebuild flag
        update_option('enp_rebuild_popular_data', '1');
        $response->add(array('data' => 'success', 'supplemental' => array('pid' => $pid, 'slug' => $btn_slug, 'type' => $btn_type, 'message' => 'The click on ' . $pid . ' has been registered!', 'count' => $new_clicks, 'old_count' => $prev_clicks, 'new_operator' => $new_operator, 'user_clicked_message' => $enp_clicked_btn_HTML)));
    } else {
        $response->add(array('data' => 'error', 'supplemental' => array('pid' => $pid, 'slug' => $btn_slug, 'type' => $btn_type, 'message' => 'We couldn\'t update the ' . ucfirst($btn_slug) . ' button count. Reload this page and try again.')));
    }
    // Send the response back
    $response->send();
    // Always end with an exit on ajax
    exit;
}