The start of something beautiful

vendor/symfony/form/Event/PostSubmitEvent.php

@@ -0,0 +1,29 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Form\Event;
+
+use Symfony\Component\Form\Exception\BadMethodCallException;
+use Symfony\Component\Form\FormEvent;
+
+/**
+ * This event is dispatched after the Form::submit()
+ * once the model and view data have been denormalized.
+ *
+ * It can be used to fetch data after denormalization.
+ */
+final class PostSubmitEvent extends FormEvent
+{
+    public function setData(mixed $data): never
+    {
+        throw new BadMethodCallException('Form data cannot be changed during "form.post_submit", you should use "form.pre_submit" or "form.submit" instead.');
+    }
+}