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[BUGFIX] Fix array key access in ext_getSetup (Backport 11.5) #3361

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Oct 18, 2022
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[BUGFIX] Fix array key access in ext_getSetup (Backport 11.5) #3361

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7 changes: 6 additions & 1 deletion Classes/FrontendEnvironment/TypoScript.php
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Original file line number Diff line number Diff line change
Expand Up @@ -115,18 +115,23 @@ protected function buildConfigurationArray(int $pageId, string $path, int $langu
}

/**
* Adapted from TYPO3 core
* @see sysext:core/Classes/TypoScript/ExtendedTemplateService until TYPO3 v11
* @param array $theSetup
* @param string $theKey
* @return array
*/
public function ext_getSetup(array $theSetup, string $theKey): array
{
// 'a.b.c' --> ['a', 'b.c']
$parts = explode('.', $theKey, 2);
if ((string)$parts[0] !== '' && is_array($theSetup[$parts[0] . '.'])) {
if (trim($parts[1] ?? '') !== '') {
// Current path segment is a sub array, check it recursively by applying the rest of the key
return $this->ext_getSetup($theSetup[$parts[0] . '.'], trim($parts[1] ?? ''));
}
return [$theSetup[$parts[0] . '.'], $theSetup[$parts[0]]];
// No further path to evaluate, return current setup and the value for the current path segment - if any
return [$theSetup[$parts[0] . '.'], $theSetup[$parts[0]] ?? ''];
}
if (trim($theKey) !== '') {
return [[], $theSetup[$theKey]];
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