Usage of the Symfony form object in a Controller - http://www.symfonycentral.com

DefaultController.php

<?php 
    /* ... rest of the controller */

    /**
     * @Route("/article/add", name="post_add")
     * @Template()
     */
    public function addAction()
    {
        $form = $this->createFormBuilder()
            ->add('title', 'text')
            ->add('body', 'textarea')
            ->getForm();

        if ($this->getRequest()->getMethod() == 'POST') {
            $form->bind($this->getRequest()->get('form'));

            if ($form->isValid()) {
                /* do stuff with the model in here... */
            }
        }

        return array('form' => $form->createView());
    }

    /* ... rest of the controller */