bp_dd_import_groups( bool|array $users = false )

function bp_dd_import_groups( $users = false ) {
	$groups          = array();
	$group_ids       = array();
	$forum_group_ids = array();

	if ( ! bp_is_active( 'groups' ) ) {
		return $group_ids;
	}

	// Use currently available users from DB if no default were specified.
	if ( empty( $users ) ) {
		$users = get_users();
	}

	$image_url         = BP_DEFAULT_DATA_URL . 'data/images/groups/';
	$cover_image_url   = $image_url . 'cover/';
	$avatars_image_url = $image_url . 'avatars/';

	require( BP_DEFAULT_DATA_DIR . '/data/groups.php' );

	foreach ( $groups as $group ) {
		$creator_id = is_object( $users[ array_rand( $users ) ] ) ? $users[ array_rand( $users ) ]->ID : $users[ array_rand( $users ) ];
		$cur        = groups_create_group( array(
			'creator_id'   => $creator_id,
			'name'         => $group['name'],
			'description'  => $group['description'],
			'slug'         => groups_check_slug( sanitize_title( esc_attr( $group['name'] ) ) ),
			'status'       => $group['status'],
			'date_created' => bp_dd_get_random_date( 30, 5 ),
		) );

		groups_update_groupmeta( $cur, 'last_activity', bp_dd_get_random_date( 10 ) );

		// add cover images url into DB
		if ( ! empty( $group['cover-image'] ) ) {
			groups_update_groupmeta( $cur, 'cover-image', $cover_image_url . $group['cover-image'] );
		}

		// add cover images url into DB
		if ( ! empty( $group['avatars'] ) ) {
			groups_update_groupmeta( $cur, 'avatars', $avatars_image_url . $group['avatars'] );
		}

		$group_ids[] = $cur;

		if ( ! empty( $group['forums'] ) ) {
			$forum_group_ids[] = $cur;
		}
	}

	if ( ! empty( $group_ids ) ) {
		/** @noinspection PhpParamsInspection */
		bp_update_option( 'bp_dd_imported_group_ids', $group_ids );
		bp_update_option( 'bp_dd_imported_forums_group_ids', $forum_group_ids );
	}

	return $group_ids;
}