<https://forums.phpfreaks.com/topic/165217-solved-help-needed-with-passing-id-through-url/page/2/#comment-871428>
<http://schema.org/text>
"Ok - assuming you're no longer getting the 'Category isn't specified' error... I'm not seeing where the $sitelocation variable is created, but it's being called in the echo string. \n  \n\nIs there any output at all?  Any php errors? \n"
<https://forums.phpfreaks.com/topic/165217-solved-help-needed-with-passing-id-through-url/page/2/?tab=comments#comment-871506>