(PHP 4 >= 4.2.0)
Aggregates all properties defined in a class to an existing object, except for properties whose names start with an underscore character (_) which are considered private to the aggregated class.
See also aggregate(), aggregate_methods(), aggregate_methods_by_list(), aggregate_methods_by_regexp(), aggregate_properties_by_list(), aggregate_properties_by_regexp(), aggregate_info(), deaggregate()
