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cms-core/Documentation/Changelog/12.3/Deprecation-100278-PostLoginFailureProcessingHook.rst
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.. include:: /Includes.rst.txt
.. _deprecation-100278-1679605129:
======================================================
Deprecation: #100278 - PostLoginFailureProcessing hook
======================================================
See :issue:`100278`
Description
===========
The hook :php:`$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_userauth.php']['postLoginFailureProcessing']`
which can be used to handle custom notifications that a login in a frontend or
backend context failed, has been marked as deprecated.
Impact
======
If the hook is registered in a TYPO3 installation, a PHP :php:`E_USER_DEPRECATED`
error is triggered.
The extension scanner also detects any usage of the deprecated interface as
a strong match, and the definition of the hook as a weak match.
Affected installations
======================
TYPO3 installations with custom extensions using this hook.
Migration
=========
Migrate to the newly introduced PSR-14 event
:ref:`\\TYPO3\\CMS\\Core\\Authentication\\Event\\LoginAttemptFailedEvent <feature-100278-1679604666>`.
.. index:: Backend, Frontend, PHP-API, FullyScanned, ext:core