Warning: This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk.
Get the instance properties for the SDO_DataObject. The instance
properties consist of all the properties defined on the data object's
type, plus any instance properties from open content (if the data object
is an open type).
Return Values
An array of SDO_Model_Property objects.