'Default', 'schema' => 'geofield_backend_default_schema', 'save' => 'geofield_backend_default_save', 'load' => 'geofield_backend_default_load', 'types' => array('Point','LineString','Polygon','MultiPoint','MultiLineString','MultiPolygon','GeometryCollection'), 'validate' => NULL, // Additional validation callback. Takes a GeoPHP Geometry object. 'update_field' => NULL, // Callback after installing a new field. Could be used for adding additional geospatial indexes 'delete_field' => NULL, // Callback after deleting field. Could be used for removing indexes and other cleanup. 'requirements' => NULL, // Callback to check system requirements 'settings' => NULL, // Callback for plugin-specific settings. ); function geofield_backend_default_schema($fielddef) { return array( 'type' => 'blob', 'size' => 'big', 'not null' => FALSE, ); } function geofield_backend_default_save($geometry) { $geom = geoPHP::load($geometry); return $geom->out('wkb'); } function geofield_backend_default_load($value) { return geoPHP::load($value); }