Added more details about the FormView object

richardmiller-zz · richardmiller-zz · commit 11c21db29da2 · 2012-02-05T14:13:50.000Z
diff --git a/book/forms.rst b/book/forms.rst
@@ -688,7 +688,7 @@ specify it:
 
         <?php echo $view['form']->label($form['task'], 'Task Description') ?>
 
-Finally, some field types have additional rendering options that can be passed
+Some field types have additional rendering options that can be passed
 to the widget. These options are documented with each type, but one common
 options is ``attr``, which allows you to modify attributes on the form element.
 The following would add the ``task_field`` class to the rendered input text
@@ -706,6 +706,33 @@ field:
             'attr' => array('class' => 'task_field'),
         )) ?>
 
+If you need to render form fields "by hand" then you can access individual
+values for fields such as the ``id``, ``name`` and ``label``. For example
+to get the ``id``:
+
+.. configuration-block::
+
+    .. code-block:: html+jinja
+
+        {{ form.task.vars.id }}
+
+    .. code-block:: html+php
+
+        <?php echo $form['task']->get('id') ?>
+
+To get the value used for the form field's name attribute you need to use
+the ``full_name`` value:
+
+.. configuration-block::
+
+    .. code-block:: html+jinja
+
+        {{ form.task.vars.full_name }}
+
+    .. code-block:: html+php
+
+        <?php echo $form['task']->get('full_name') ?>
+
 Twig Template Function Reference
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
