BP_Message_Export::messages_recipients( $items )

	function messages_recipients( $items ) {
		global $wpdb, $bp;

		$table = "{$bp->messages->global_tables["table_name_recipients"]}";

		$thread_ids = array();

		foreach ( $items as $item ) {
			$thread_ids[ $item->thread_id ] = $item->thread_id;
		}

		if ( empty( $thread_ids ) ) {
			return array();
		}

		$ids_in = array_fill( 0, count( $thread_ids ), '%s' );
		$ids_in = join( ',', $ids_in );

		$get_results = $wpdb->get_results( $wpdb->prepare( "SELECT *FROM {$table} WHERE thread_id IN ({$ids_in})",
			$thread_ids ) );

		$thread_recipients = array();

		foreach ( $get_results as $result ) {
			if ( ! isset( $thread_recipients[ $result->thread_id ] ) || ! is_array( $thread_recipients[ $result->thread_id ] ) ) {
				$thread_recipients[ $result->thread_id ] = array();
			}
			if ( ! isset( $thread_recipients[ $result->thread_id ][ $result->user_id ] ) ) {
				$thread_recipients[ $result->thread_id ][ $result->user_id ] = get_userdata( $result->user_id );
			}
		}

		foreach ( $items as $item_key => $item ) {
			if ( ! isset( $thread_recipients[ $item->thread_id ] ) ) {
				$thread_recipients[ $item->thread_id ] = array();
			}
			$item->recipients = $thread_recipients[ $item->thread_id ];
		}

		return $items;
	}