bp_get_the_notification_mark_unread_url (intuser_id美元）

function bp_get_the_notification_mark_unread_url($user_id = 0){//获取通知ID。$ id = bp_get_the_notification_id ();//获取要添加到URL的参数。$args = array('action' => 'unread'， 'notification_id' => $id);//设置默认用户ID$user_id = 0 == $user_id ?bp_displayed_user_id (): $ user_id;//添加参数到URL。$url = add_query_arg($args, bp_get_notifications_read_permalink($user_id));//添加nonce。 $url = wp_nonce_url( $url, 'bp_notification_mark_unread_' . $id ); /** * Filters the URL used for marking a single notification as unread. * * @since BuddyPress 2.1.0 * @since BuddyPress 2.6.0 Added $user_id as a parameter. * * @param string $url URL to use for marking the single notification as unread. * @param int $user_id The user ID. */ return apply_filters( 'bp_get_the_notification_mark_unread_url', $url, $user_id ); }