$form = new Varien_Data_Form(); $form->setMethod('POST');In this example, a new instance of the Varien_Data_Form class is created and the setMethod function is used to set the HTTP method to POST. This means that the form data will be sent in the message body of the HTTP request, rather than in the URL. This function is part of the Magento package library, which is a PHP e-commerce software used to build online stores. The Varien_Data_Form class is specifically related to form handling within Magento.