DefaultStrategy::processValues

public function processValues(array $items): array
{
	$view = new \Bitrix\Main\UserField\Display(\Bitrix\Main\UserField\Display::MODE_VIEW);
	$view->setAdditionalParameter('FILE_MAX_WIDTH', 300, true);
	$view->setAdditionalParameter('FILE_SHOW_POPUP', 'Y', true);
	$view->setAdditionalParameter('FILE_MAX_HEIGHT', 300, true);

	foreach ($items as $id => $values)
	{
		if (!empty($this->processedValues[$id]))
		{
			continue;
		}

		foreach ($values as $fieldName => $value)
		{
			if (!empty($this->getUserFields()[$fieldName]))
			{
				$userField = $this->getUserFields()[$fieldName];
				$userField['VALUE'] = $value;

				$view->setField($userField);
				$this->processedValues[$id][$fieldName] = $view->display();
				$view->clear();
			}
		}
	}

	return $this->processedValues;
}