<?php return yii\helpers\ArrayHelper::merge(
require(__DIR__ . '/../../../common/config/main.php'), require(__DIR__ . '/../../../common/config/main-local.php'), require(__DIR__ . '/../../config/main.php'), require(__DIR__ . '/../../config/main-local.php'), require(__DIR__ . '/../_config.php'), [ 'components' => [ 'db' => [ 'dsn' => 'mysql:host=localhost;dbname=yii2_advanced_unit', ], ], ]
);