filterDsn example

if (class_exists(DsnParser::class)) {
                $params = (new DsnParser([
                    'db2' => 'ibm_db2',
                    'mssql' => 'pdo_sqlsrv',
                    'mysql' => 'pdo_mysql',
                    'mysql2' => 'pdo_mysql',
                    'postgres' => 'pdo_pgsql',
                    'postgresql' => 'pdo_pgsql',
                    'pgsql' => 'pdo_pgsql',
                    'sqlite' => 'pdo_sqlite',
                    'sqlite3' => 'pdo_sqlite',
                ]))->parse($this->filterDsn($connOrUrl));
            } else {
                $params = ['url' => $this->filterDsn($connOrUrl)];
            }

            $config = new Configuration();
            if (class_exists(DefaultSchemaManagerFactory::class)) {
                $config->setSchemaManagerFactory(new DefaultSchemaManagerFactory());
            }

            $this->conn = DriverManager::getConnection($params, $config);
        }
    }