$databases = array (
  'default' =>
  array (
    'legacy' =>
    array (
      'database' => 'source6',
      'username' => 'myuser',
      'password' => 'mypassword',
      'host' => 'localhost',
      'port' => '',
      'driver' => 'mysql',
      'prefix' => '',
    ),
  ),

);