@@ -100,7 +100,7 @@ creating that particular field is delegated to an event listener::
100100 $builder->add('price');
101101
102102 $builder->addEventListener(FormEvents::PRE_SET_DATA, function(FormEvent $event) {
103- // adding the name field if needed
103+ //... adding the name field if needed
104104 });
105105 }
106106
@@ -121,9 +121,9 @@ the event listener might look like the following::
121121 $form = $event->getForm();
122122
123123 // check if the Product object is "new"
124- // Ifyou didn't pass any data to the form, the data is "null".
124+ // Ifno data is passed to the form, the data is "null".
125125 // This should be considered a new "Product"
126- if (!$product ||! $product->getId()) {
126+ if (!$product ||null !== $product->getId()) {
127127 $form->add('name', 'text');
128128 }
129129 });
@@ -212,7 +212,7 @@ class::
212212 $product = $event->getData();
213213 $form = $event->getForm();
214214
215- if (!$product ||! $product->getId()) {
215+ if (!$product ||null !== $product->getId()) {
216216 $form->add('name', 'text');
217217 }
218218 }