Returns parents of an object ()
array hw_api->parents ( array parameter )

Retrieves the parents of an object. The parents can be further filtered by specifying an object query. The parameter array contains the required elements 'objectidentifier' and the optional elements 'attributeselector' and 'objectquery'.

The return value is an array of objects of type HW_API_Object or HW_API_Error.

See also hwapi_children().