/** * Initializes a new instance of the Connection class. * * @param array $params The connection parameters. * @param Driver $driver * @param Configuration $config * @param EventManager $eventManager */ public function __construct(array $params, Driver $driver, Configuration $config = null, EventManager $eventManager = null) { $this->_driver = $driver; $this->_params = $params; if (isset($params['pdo'])) { $this->_conn = $params['pdo']; $this->_isConnected = true; } // Create default config and event manager if none given if (!$config) { $config = new Configuration(); } if (!$eventManager) { $eventManager = new EventManager(); } $this->_config = $config; $this->_eventManager = $eventManager; $this->_platform = $driver->getDatabasePlatform(); $this->_transactionIsolationLevel = $this->_platform->getDefaultTransactionIsolationLevel(); $this->_quoteIdentifiers = $config->getQuoteIdentifiers(); $this->_platform->setQuoteIdentifiers($this->_quoteIdentifiers); }