(PHP 4 >= 4.2.0)
aggregate — Dynamic class and object aggregation of methods and properties
$object
   , string $class_name
   )Aggregates methods and properties defined in a class to an existing object. Methods and properties with names starting with an underscore character (_) are considered private to the aggregated class and are not used, constructors are also excluded from the aggregation procedure.
object
     
class_name
     
No value is returned.