BP_Group_Membership_Export::get_data( $user,  $page )

	function get_data( $user, $page ) {
		global $wpdb, $bp;

		$wpdb->show_errors( false );
		$group_table = $bp->groups->table_name_members;

		$table = "{$group_table} item";

		$query_select       = "item.*";
		$query_select_count = "COUNT(item.id)";
		$query_where        = "item.user_id=%d OR item.inviter_id=%d";

		$offset = ( $page - 1 ) * $this->items_per_batch;
		$limit  = "LIMIT {$this->items_per_batch} OFFSET {$offset}";

		$query       = "SELECT {$query_select} FROM {$table} WHERE {$query_where} {$limit}";
		$query       = $wpdb->prepare( $query, $user->ID, $user->ID );
		$query_count = "SELECT {$query_select_count} FROM {$table} WHERE {$query_where}";
		$query_count = $wpdb->prepare( $query_count, $user->ID, $user->ID );

		$count = (int) $wpdb->get_var( $query_count );
		$items = $wpdb->get_results( $query );

		return array(
			'total'  => $count,
			'offset' => $offset,
			'items'  => $items,
		);

	}