parameterConverterIntro_1.php

<?php 

/**
 * Displays a form to edit an existing User entity.
 *
 * @Route("/{id}/edit", name="user_edit")
 * @Method("GET")
 * @Template()
 */
public function editAction( User $entity )
{
	$em = $this->getDoctrine()->getManager();

	/*
	$entity = $em->getRepository('WorkshopBackendBundle:User')->find($id);

	if (!$entity) {
	    throw $this->createNotFoundException('Unable to find User entity.');
	}
	*/
	$editForm = $this->createEditForm( $entity );
	$deleteForm = $this->createDeleteForm( $entity->getId() );

	return array(
	    'entity'      => $entity,
	    'edit_form'   => $editForm->createView(),
	    'delete_form' => $deleteForm->createView(),
	);

}