/**
* Given an object or a string, return a Geometry
*
* @param mixed $input The GeoJSON string or object
*
* @return object Geometry
*/
public function read($input)
{
if (is_string($input)) {
$input = json_decode($input);
}
if (!is_object($input)) {
throw new Exception('Invalid JSON');
}
if (!is_string($input->type)) {
throw new Exception('Invalid JSON');
}
// Check to see if it's a FeatureCollection
if ($input->type == 'FeatureCollection') {
$features = array();
foreach ($input->features as $feature) {
$features[] = $this->read($feature);
}
$properties = [];
if (isset($input->properties)) {
$properties = array_merge($properties, (array) $input->properties);
}
if (isset($input->metadata)) {
$properties = array_merge($properties, (array) $input->metadata);
}
// $properties = isset($input->properties) ? (array) $input->properties : [];
return new FeatureCollection($features, $properties, @$input->id);
}
$adapter = new GeoJSON();
// Check to see if it's a Feature
if ($input->type == 'Feature') {
$geometry = $adapter->read($input->geometry);
$properties = isset($input->properties) ? (array) $input->properties : [];
return new Feature($geometry, $properties, @$input->id);
}
return $adapter->read($input);
}
