BP_Core_User::get_user_extras( array $paged_users, string $user_ids, string|bool $type = false )

	public static function get_user_extras( &$paged_users, &$user_ids, $type = false ) {
		global $wpdb;

		$bp = buddypress();

		if ( empty( $user_ids ) )
			return $paged_users;

		// Sanitize user IDs.
		$user_ids = implode( ',', wp_parse_id_list( $user_ids ) );

		// Fetch the user's full name.
		if ( bp_is_active( 'xprofile' ) && 'alphabetical' != $type ) {
			$names = $wpdb->get_results( $wpdb->prepare( "SELECT pd.user_id as id, pd.value as fullname FROM {$bp->profile->table_name_fields} pf, {$bp->profile->table_name_data} pd WHERE pf.id = pd.field_id AND pf.name = %s AND pd.user_id IN ( {$user_ids} )", bp_xprofile_fullname_field_name() ) );
			for ( $i = 0, $count = count( $paged_users ); $i < $count; ++$i ) {
				foreach ( (array) $names as $name ) {
					if ( $name->id == $paged_users[$i]->id )
						$paged_users[$i]->fullname = $name->fullname;
				}
			}
		}

		// Fetch the user's total friend count.
		if ( 'popular' != $type ) {
			$friend_count = $wpdb->get_results( $wpdb->prepare( "SELECT user_id as id, meta_value as total_friend_count FROM {$wpdb->usermeta} WHERE meta_key = %s AND user_id IN ( {$user_ids} )", bp_get_user_meta_key( 'total_friend_count' ) ) );
			for ( $i = 0, $count = count( $paged_users ); $i < $count; ++$i ) {
				foreach ( (array) $friend_count as $fcount ) {
					if ( $fcount->id == $paged_users[$i]->id )
						$paged_users[$i]->total_friend_count = (int) $fcount->total_friend_count;
				}
			}
		}

		// Fetch whether or not the user is a friend.
		if ( bp_is_active( 'friends' ) ) {
			$friend_status = $wpdb->get_results( $wpdb->prepare( "SELECT initiator_user_id, friend_user_id, is_confirmed FROM {$bp->friends->table_name} WHERE (initiator_user_id = %d AND friend_user_id IN ( {$user_ids} ) ) OR (initiator_user_id IN ( {$user_ids} ) AND friend_user_id = %d )", bp_loggedin_user_id(), bp_loggedin_user_id() ) );
			for ( $i = 0, $count = count( $paged_users ); $i < $count; ++$i ) {
				foreach ( (array) $friend_status as $status ) {
					if ( $status->initiator_user_id == $paged_users[$i]->id || $status->friend_user_id == $paged_users[$i]->id )
						$paged_users[$i]->is_friend = $status->is_confirmed;
				}
			}
		}

		// Fetch the user's last_activity.
		if ( 'active' != $type ) {
			$user_activity = $wpdb->get_results( $wpdb->prepare( "SELECT user_id as id, meta_value as last_activity FROM {$wpdb->usermeta} WHERE meta_key = %s AND user_id IN ( {$user_ids} )", bp_get_user_meta_key( 'last_activity' ) ) );
			for ( $i = 0, $count = count( $paged_users ); $i < $count; ++$i ) {
				foreach ( (array) $user_activity as $activity ) {
					if ( $activity->id == $paged_users[$i]->id )
						$paged_users[$i]->last_activity = $activity->last_activity;
				}
			}
		}

		// Fetch the user's latest update.
		$user_update = $wpdb->get_results( $wpdb->prepare( "SELECT user_id as id, meta_value as latest_update FROM {$wpdb->usermeta} WHERE meta_key = %s AND user_id IN ( {$user_ids} )", bp_get_user_meta_key( 'bp_latest_update' ) ) );
		for ( $i = 0, $count = count( $paged_users ); $i < $count; ++$i ) {
			foreach ( (array) $user_update as $update ) {
				if ( $update->id == $paged_users[$i]->id )
					$paged_users[$i]->latest_update = $update->latest_update;
			}
		}

		return $paged_users;
	}