$featureReader->Close();
}
}
}
if ($bExtendSelection) {
$selection = new MgSelection($map);
$queryOptions = new MgFeatureQueryOptions();
$layers = $map->GetLayers();
foreach ($aLayers as $szLayer => $aLayer) {
$oLayer = $layers->GetItem($szLayer);
foreach ($aLayer as $szClass => $aFilter) {
/* get the feature source from the layer */
$featureResId = new MgResourceIdentifier($oLayer->GetFeatureSourceId());
$featureGeometryName = $oLayer->GetFeatureGeometryName();
$szFilter = implode(' OR ', $aFilter);
$queryOptions->setFilter($szFilter);
/* the class that is used for this layer will be used to select
features */
$class = $oLayer->GetFeatureClassName();
/* select the features */
$featureReader = $featureService->SelectFeatures($featureResId, $class, $queryOptions);
$selection->AddFeatures($oLayer, $featureReader, $maxFeatures);
$layerName = $oLayer->GetName();
if (!in_array($layerName, $properties->layers)) {
array_push($properties->layers, $layerName);
}
$featureReader->Close();
$featureReader = $featureService->SelectFeatures($featureResId, $class, $queryOptions);
$spatialContext = $featureService->GetSpatialContexts($featureResId, true);
$srsLayerWkt = false;
if ($spatialContext != null && $spatialContext->ReadNext() != null) {