<https://forums.phpfreaks.com/topic/313064-problem-transferring-data-between-pages-using-php-session/#comment-1587977>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forums.phpfreaks.com/topic/313064-problem-transferring-data-between-pages-using-php-session/?tab=comments#comment-1587928>