TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+.. include:: /Includes.rst.txt
+
+.. _breaking-98016-1658731955:
+
+===================================================
+Breaking: #98016 - Removed TypoScript function hook
+===================================================
+
+See :issue:`98016`
+
+Description
+===========
+
+With the transition to the :ref:`new TypoScript parser <feature-97816-1656350667>`,
+the hook :php:`$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_tsparser.php']['preParseFunc']`
+is no longer called.
+
+This hook has been used to implement own functions for the TypoScript "function" operator :typoscript:`:=`.
+
+Additional functions can now be implemented using the
+:php:`\TYPO3\CMS\Core\TypoScript\AST\Event\EvaluateModifierFunctionEvent`
+as described in :ref:`this Changelog <feature-98016-1658732423>`.
+
+Impact
+======
+
+With the continued implementation of the new TypoScript parser in TYPO3 v12,
+registered hook implementations are not executed anymore. The extension scanner
+will report possible usages.
+
+Affected installations
+======================
+
+Extensions registering own TypoScript function implementations like this:
+
+..  code-block:: typoscript
+
+    myValue := myCustomFunction(modifierArgument)
+
+Migration
+=========
+
+Implement the :ref:`new event <feature-98016-1658732423>`. Extensions that want to keep
+compatibility with both TYPO3 v11 and v12 can keep the old hook implementation without
+further deprecations.
+
+.. index:: PHP-API, TSConfig, TypoScript, FullyScanned, ext:core