Exemple #1
0
/**
 * Registers custom meta keys with WordPress and provides callbacks for sanitizing and authorizing 
 * the metadata.
 *
 * @since  1.0.0
 * @access public
 * @return void
 */
function mb_register_meta()
{
    /* General post meta. */
    register_meta('post', mb_get_prev_status_meta_key(), 'sanitize_key', '__return_true');
    /* Forum meta. */
    register_meta('post', mb_get_forum_activity_datetime_meta_key(), 'esc_html', '__return_true');
    register_meta('post', mb_get_forum_activity_datetime_epoch_meta_key(), 'esc_html', '__return_true');
    register_meta('post', mb_get_forum_last_topic_id_meta_key(), 'absint', '__return_true');
    register_meta('post', mb_get_forum_last_reply_id_meta_key(), 'absint', '__return_true');
    register_meta('post', mb_get_forum_subforum_count_meta_key(), 'absint', '__return_true');
    register_meta('post', mb_get_forum_topic_count_meta_key(), 'absint', '__return_true');
    register_meta('post', mb_get_forum_reply_count_meta_key(), 'absint', '__return_true');
    register_meta('post', mb_get_forum_type_meta_key(), 'esc_html', '__return_true');
    register_meta('post', mb_get_forum_level_meta_key(), 'absint', '__return_true');
    /* Topic meta. */
    register_meta('post', mb_get_topic_activity_datetime_meta_key(), 'esc_html', '__return_true');
    register_meta('post', mb_get_topic_activity_datetime_epoch_meta_key(), 'esc_html', '__return_true');
    register_meta('post', mb_get_topic_last_reply_id_meta_key(), 'absint', '__return_true');
    register_meta('post', mb_get_topic_voices_meta_key(), 'esc_html', '__return_true');
    register_meta('post', mb_get_topic_voice_count_meta_key(), 'absint', '__return_true');
    register_meta('post', mb_get_topic_reply_count_meta_key(), 'absint', '__return_true');
    register_meta('post', mb_get_topic_type_meta_key(), 'esc_html', '__return_true');
    /* User meta. */
    register_meta('user', mb_get_user_forum_subscriptions_meta_key(), 'esc_html', '__return_true');
    register_meta('user', mb_get_user_topic_subscriptions_meta_key(), 'esc_html', '__return_true');
    register_meta('user', mb_get_user_topic_bookmarks_meta_key(), 'esc_html', '__return_true');
    register_meta('user', mb_get_user_forum_count_meta_key(), 'absint', '__return_true');
    register_meta('user', mb_get_user_topic_count_meta_key(), 'absint', '__return_true');
    register_meta('user', mb_get_user_reply_count_meta_key(), 'absint', '__return_true');
}
/**
 * Get an array of user IDs for users who are subscribed to the forum.
 *
 * @since  1.0.0
 * @access public
 * @param  int     $forum_id
 * @return array
 */
function mb_get_forum_subscribers($forum_id = 0)
{
    $forum_id = mb_get_forum_id($forum_id);
    $users = wp_cache_get('mb_get_forum_subscribers_' . $forum_id, 'message-board-users');
    if (false === $users) {
        global $wpdb;
        $users = $wpdb->get_col($wpdb->prepare("SELECT user_id FROM {$wpdb->usermeta} WHERE meta_key = %s AND FIND_IN_SET( '{$forum_id}', meta_value ) > 0", mb_get_user_forum_subscriptions_meta_key()));
        wp_cache_set('mb_get_forum_subscribers_' . $forum_id, $users, 'message-board-users');
    }
    return apply_filters('mb_get_forum_subscribers', $users);
}