/**
* Determines the article for the given type ('a' or 'an'), depending on the first char
*
* @param PC_Obj_MultiType $type the type
* @return string the article
*/
private function get_article($type)
{
$str = $type === null ? 'x' : $type->__ToString();
return isset($str[0]) && in_array(strtolower($str[0]), array('i', 'a', 'o', 'u', 'e')) ? 'an' : 'a';
}
