Operation::exposeFields

private function exposeFields(
	array $compatibleData,
	array $providedFields,
	array $fieldsToExposeAdditionally,
	bool $exposeAllUserFields
): array
{
	$result = [];
	foreach ($providedFields as $providedFieldName => $providedValue)
	{
		if (array_key_exists($providedFieldName, $compatibleData))
		{
			$result[$providedFieldName] = $compatibleData[$providedFieldName];
		}
		else
		{
			$result[$providedFieldName] = $providedValue;
		}
	}

	foreach ($compatibleData as $fieldName => $value)
	{
		if (
			in_array($fieldName, $fieldsToExposeAdditionally, true)
			|| ($exposeAllUserFields && mb_strpos($fieldName, 'UF_') === 0)
		)
		{
			$result[$fieldName] = $value;
		}
	}

	return $result;
}