how to access dll (generated with VB) via COM with codeigneter

how to access dll (created with VB) via COM with codeigneter, in php using function COM (Component Object Model) what about codeigniter?

Code:

<?php $perhitungan = new COM("Jocki.Perhitungan"); $hasil = $perhitungan->HitungJumlah(11,22); print "Hasil dari method di COM DLL adalah $hasil"; ?>