/**
* DB constructor.
* @param string|null $configInstance - Database instance from config file, for example: "mysql_connection"
* @param bool $useReusableConnection - Set this to true to use DBManager to hold DBConnections for reuse
*
* @throws \Exception
*/
function __construct($configInstance = null, $useReusableConnection = true)
{
$this->isTransaction = false;
if (!isset($configInstance)) {
# Apply parameters from config
$this->config = App::getConfig('mysql_connection');
if (isset($this->config)) {
$this->constructDBOBJ($useReusableConnection);
return;
}
} else {
# Apply parameters from custom config instance
$conf_cred = App::getConfig($configInstance);
if (isset($conf_cred)) {
$this->config = $conf_cred;
$this->constructDBOBJ($useReusableConnection);
return;
}
}
throw new DBException("Database driver can't be instantiated. Failed to load configuration.", 500, "DB Connection failed", 500);
}
