TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+.. include:: /Includes.rst.txt
+
+.. _breaking-102151-1697111006:
+
+================================================================
+Breaking: #102151 - XML prologue always added in flexArray2Xml()
+================================================================
+
+See :issue:`102151`
+
+Description
+===========
+
+The second argument :php:`$addPrologue = false` on
+:php:`\TYPO3\CMS\Core\Configuration\FlexForm\FlexFormTools->flexArray2Xml()`
+has been dropped: When imploding a FlexForm array to an XML string using
+this method, the "XML prologue" is always added.
+
+
+Impact
+======
+
+This should have no impact for consumers of this method. The counterpart method
+:php:`\TYPO3\CMS\Core\Utility\GeneralUtility::xml2array()` happily deals with this.
+
+
+Affected installations
+======================
+
+Instances with extensions using :php:`FlexFormTools->flexArray2Xml()` can drop
+the second argument. The extension scanner will find usages with a weak match.
+
+Since this is a detail method of the TYPO3 Core FlexForm handling, not often
+handled by extensions themselves, few instances will be affected in the first place.
+
+
+Migration
+=========
+
+No data migration needed, PHP consumers should drop the second argument
+when calling the method.
+
+.. index:: FlexForm, PHP-API, FullyScanned, ext:core