Utility to get core informations.
/**
* Returns the flag source
*
* @param string $iso
* @return string
*/
protected function getLanguageFlagSrc($iso)
{
if ('' !== $this->arguments['flagPath']) {
$path = trim($this->arguments['flagPath']);
} else {
$path = CoreUtility::getLanguageFlagIconPath();
}
$imgType = trim($this->arguments['flagImageType']);
return $path . strtoupper($iso) . '.' . $imgType;
}
