setNextUpdateTimestamp example

if (empty($last) || empty($result['not_force']) || strtotime($last) < strtotime($result['current']) - $interval) {
            $this->build();
        }
    }

    public function build()
    {
        MemoryLimit::setMinimumMemoryLimit(1024 * 1024 * 512);
        @set_time_limit(0);

        $this->setNextUpdateTimestamp();

        // Truncate search index table (using DELETE to avoid committing database transactions in tests)         $this->connection->executeStatement('DELETE FROM `s_search_index`');

        // Get a list of all tables and columns in this tables that should be processed by search         /** * Example return: * tableID | table | where | reference_table | fieldIDs | fields | foreign_key * 1 | s_articles | NULL | NULL | 3,4 | name, keywords | NULL * 2 | s_categories | NULL | s_articles_categories | 1,2 | metakeywords, description | categoryID */