TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:24 +02:00
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+..  include:: /Includes.rst.txt
+..  _concepts-finishers-closurefinisher:
+
+================
+Closure finisher
+================
+
+The "Closure finisher" can only be used in programmatically-created forms. It allows
+you to execute your own finisher code without implementing/ declaring a finisher.
+
+..  contents:: Table of contents
+
+..  include:: /Includes/_NoteFinisher.rst
+
+..  _apireference-finisheroptions-closurefinisher-options:
+
+Closure finisher option
+=======================
+
+..  _apireference-finisheroptions-closurefinisher-options-closure:
+
+..  confval:: closure
+    :name: closurefinisher-closure
+    :required: true
+    :type: `?\Closure`
+    :default: `null`
+
+    The name of the field as shown in the form.
+
+..  _apireference-finisheroptions-closurefinisher:
+
+Using the closure finisher programmatically
+===========================================
+
+This finisher can only be used in programmatically-created forms. It allows
+you to execute your own finisher code without implementing/ declaring a finisher.
+
+Code example:
+
+..  literalinclude:: _codesnippets/_finisher.php.inc
+    :language: php
+
+This finisher is implemented in :php:`TYPO3\CMS\Form\Domain\Finishers\ClosureFinisher`.
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+<?php
+
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Form\Domain\Finishers\ClosureFinisher;
+use TYPO3\CMS\Form\Domain\Model\FormDefinition;
+
+class SomeClass
+{
+    private function addClosureFinisher(FormDefinition $formDefinition)
+    {
+
+        $closureFinisher = GeneralUtility::makeInstance(ClosureFinisher::class);
+        $closureFinisher->setOption('closure', function ($finisherContext)
+        {
+            $formRuntime = $finisherContext->getFormRuntime();
+            // ...
+        });
+        $formDefinition->addFinisher($closureFinisher);
+    }
+}