(PHP 3>= 3.0.7, PHP 4 )
wddx_add_vars (int packet_id, mixed name_var [, mixed ...])
wddx_add_vars
wddx_add_vars() is used to serialize passed variables and add the result to the packet specified by the packet_id. The variables to be serialized are specified in exactly the same way as wddx_serialize_vars().