- $bAsPoints = (boolean)isset($_GET['polygon']) && $_GET['polygon'];
- $bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
- $bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
- $bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
- $bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
+ $bAsPoints = getParamBool('polygon');
+ $bAsGeoJSON = getParamBool('polygon_geojson');
+ $bAsKML = getParamBool('polygon_kml');
+ $bAsSVG = getParamBool('polygon_svg');
+ $bAsText = getParamBool('polygon_text');