Php/docs/pdo.configuration
From Get docs
Runtime Configuration
The behaviour of these functions is affected by settings in php.ini.
| Name | Default | Changeable | Changelog |
|---|---|---|---|
| pdo.dsn.* | php.ini only
|
Here's a short explanation of the configuration directives.
pdo.dsn.*string- Defines DSN alias. See PDO::__construct() for thorough explanation.