- OR (count(array_intersect(array('google_roadmap', 'google_satellite', 'google_terrain'), _request('layers'))) > 0)
- OR (in_array('bing_aerial', _request('layers'))))
+ OR (count(array_intersect(array('google_roadmap', 'google_satellite', 'google_terrain'), $layers)) > 0)
+ OR (in_array('bing_aerial', $layers)))