getConnection

\Bitrix\Main\DB\Connection public static
\Bitrix\Main\Application::getConnection(
 string $name = ""
);

Static method returns connection with the specified database name. When parameter name is empty, default connection is returned.

Parameters

Examples

How to get connection with the database from the application class

$connection = Application::getConnection();

use Bitrix\Main\Application;
use Bitrix\Main\Diag\Debug;

$record = Application::getConnection()
->query("select 1+1;")
->fetch();
Debug::writeToFile($record); 

Get name of connected database:

\Bitrix\Main\Application::getConnection()->getDatabase()