Devise\Support\Console\DeviseInstallCommand::changeDatabaseConfigFile PHP Метод

    public function changeDatabaseConfigFile()
    {
        $databaseConfigFile = $this->basePath . '/config/database.php';
        $contents = file_get_contents($databaseConfigFile);
        $driver = $this->Config->get('database.default');
        $modified = str_replace("'default' => '{$driver}',", "'default' => env('DB_DEFAULT', 'mysql'),", $contents);
        if ($contents !== $modified) {
            file_put_contents($databaseConfigFile, $modified);
        }
    }