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Bug #103838

closed

label_alt triggers PHP warning when pointing to certain field types

Added by Manfred Egger about 2 months ago. Updated about 1 month ago.

Status:
Resolved
Priority:
Should have
Assignee:
-
Category:
-
Target version:
-
Start date:
2024-05-15
Due date:
% Done:

100%

Estimated time:
TYPO3 Version:
12
PHP Version:
Tags:
Complexity:
Is Regression:
Yes
Sprint Focus:

Description

When we set label_alt of a table to a field of type select then a PHP warning is raised:

Array to string conversion in typo3_src-12.4.15/typo3/sysext/backend/Classes/Utility/BackendUtility.php line 1543

This occurs since TYPO3 12.4.15, with older versions there doesn't seem to be a problem. I did the tests with PHP 8.2. I don't know if different PHP versions make any difference.

Steps to reproduce:

  • Add the following code in some EXT:xxxx/Configuration/TCA/Overrides/tt_content.php 
    $GLOBALS['TCA']['tt_content']['ctrl']['label_alt'] = 'header_layout';

    Instead of header_layout you can use any field of type select to trigger the problem.
  • Clear the cache
  • Edit any existing content element
  • The warning should be triggered.

The warning is not triggered when creating a new record. If you create a new record you need to close the edit form and edit the record again.
Maybe the problem also occurs for other field types, I only tested select fields with renderType = 'selectSingle'

Related issues 1 (0 open — 1 closed)

Has duplicate TYPO3 Core - Bug #103892: PHP Warning: Array to string conversion in BackendUtility when label_alt with multivalue fieldClosed2024-05-24

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