(PHP 4)
hw_mv — Moves objects
$connection
   , array $object_id_array
   , int $source_id
   , int $destination_id
   )Moves the specified objects from a collection to another.
connection
     The connection identifier.
object_id_array
     An array of object ids.
source_id
     The source collection id.
destination_id
     The target collection id. If set to 0 the objects will be unlinked from the source collection. If this is the last instance of that object it will be deleted. If you want to delete all instances at once, use hw_deleteobject().
Returns the number of moved objects.