-$form->addInput(array('type'=>'submit','name'=>'delete_button','value'=>$i18n->getKey('label.delete')));
-$form->addInput(array('type'=>'submit','name'=>'cancel_button','value'=>$i18n->getKey('button.cancel')));
+$form->addInput(array('type'=>'submit','name'=>'delete_button','value'=>$i18n->get('label.delete')));
+$form->addInput(array('type'=>'submit','name'=>'cancel_button','value'=>$i18n->get('button.cancel')));