bp_dd_import_forums_topics( bool $forums = false )

function bp_dd_import_forums_topics( $forums = false ) {
	$topics     = array();
	$topics_ids = bp_get_option( 'bp_dd_imported_topic_ids', array() );

	if ( ! bp_is_active( 'forums' ) ) {
		return $topics_ids;
	}

	if ( empty( $forums ) ) {
		$forums = bp_dd_get_random_forums_ids( 0 );
	}

	$users = bp_dd_get_random_users_ids( 0 );

	require( BP_DEFAULT_DATA_DIR . 'data/forums_topics.php' );
	foreach ( $forums as $forum_id ) {
		$topic = (array) array_rand( $topics, absint( rand( 2, count( $topics ) ) ) );
		foreach ( $topic as $topic_key ) {
			$topic_data = $topics[ $topic_key ];

			// Create the initial topic
			$topic_id = bp_dd_create_forums_topics( $topic_data, $forum_id, $users );

			if ( ! empty( $topic_id ) ) {
				$topics_ids[] = $topic_id;
			}
		}
	}

	if ( ! empty( $topics_ids ) ) {
		/** @noinspection PhpParamsInspection */
		bp_update_option( 'bp_dd_imported_topic_ids', array_unique( $topics_ids ) );
	}

	return $topics_ids;
}