PhpBench\Extensions\Dbal\Storage\Driver\Dbal\ConnectionManager::initSqlite PHP Метод

    private function initSqlite()
    {
        // enable foreign key support
        $this->connection->exec('PRAGMA foreign_keys = ON');
        $params = $this->connection->getParams();
        if (!isset($params['path'])) {
            return;
        }
        $this->connection->getWrappedConnection()->sqliteCreateFunction('regexp', function ($expr, $string) {
            return preg_match('{' . $expr . '}', $string);
        }, 2);
    }