TYPO3 / TYPO3.CMS

                continue;

            }

            foreach ($tableDefinition['types'] as $typeName => $typeArray) {

                if (!isset($typeArray['showitem']) || !is_string($typeArray['showitem']) || strpos($typeArray['showitem'], ';') === false) {

                    // Continue directly if no semicolon is found

                    continue;

                }

                $itemList = GeneralUtility::trimExplode(',', $typeArray['showitem'], true);

                $newFieldStrings = [];

                foreach ($itemList as $fieldString) {

                    $fieldString = rtrim($fieldString, ';');

                    // Unpack the field definition, migrate and remove as much as possible

                    // Keep empty parameters in trimExplode here (third parameter FALSE), so position is not changed

                continue;

            }

            foreach ($tableDefinition['types'] as $typeName => $typeArray) {

                if (

                    !isset($typeArray['showitem'])

                    || !is_string($typeArray['showitem'])

                    || strpos($typeArray['showitem'], ';') === false // no field parameters

                ) {

                    continue;

                }

                $itemList = GeneralUtility::trimExplode(',', $typeArray['showitem'], true);

                $newFieldStrings = [];

                foreach ($itemList as $fieldString) {

        // Iterate through all types and search for the field that defines the palette to be extended

        foreach ($GLOBALS['TCA'][$table]['types'] as $typeName => $typeArray) {

            // Continue if types has no showitem at all or if requested field is not in it

            if (!isset($typeArray['showitem']) || strpos($typeArray['showitem'], $field) === false) {

                continue;

            }

            $fieldArrayWithOptions = GeneralUtility::trimExplode(',', $typeArray['showitem']);

            // Find the field we're handling

            $newFieldStringArray = [];