TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+.. include:: /Includes.rst.txt
+
+.. _deprecation-94272:
+
+===============================================
+Deprecation: #94272 - Application->run callback
+===============================================
+
+See :issue:`94272`
+
+Description
+===========
+
+Since the introduction of the :php:`\TYPO3\CMS\Core\Core\ApplicationInterface`
+in :issue:`67808` (TYPO3 v7), which serves as a wrapper for setting up the bootstrap and
+calling the request, it was possible to run either the console, the frontend
+or the backend by calling :php:`run()` on the corresponding Application class.
+
+The :php:`run()` method also featured the possibility to provide a :php:`callback`
+as first argument. This was mainly introduced, since no proper solution for
+sub requests existed at that time. Since :issue:`83725`, the callback is not
+longer necessary as such functionality can be handled by a PSR-15
+middleware.
+
+Therefore, the :php:`$execute` argument of :php:`ApplicationInterface->run()`
+has been deprecated and will be removed in v12.
+
+Impact
+======
+
+Calling :php:`\TYPO3\CMS\Core\Core\ApplicationInterface->run()` with the
+first argument :php:`$execute` set, triggers a PHP :php:`E_USER_DEPRECATED` error.
+
+Affected Installations
+======================
+
+All installations which manually call
+:php:`\TYPO3\CMS\Core\Core\ApplicationInterface->run()`,
+while providing a callback as first argument. The extension scanner
+will find those usages as weak match.
+
+Migration
+=========
+
+Instances with extensions calling
+:php:`\TYPO3\CMS\Core\Core\ApplicationInterface->run()` with a callback
+as first argument need to be adapted. If possible use PSR-15 middlewares
+instead.
+
+Console commands do not feature PSR-15 middlewares. Therefore, the callback
+has to be replaced by separate chained post-processing commands.
+
+.. index:: CLI, PHP-API, FullyScanned, ext:core