php - How to make $_GET function work with Rewritten url? -

i tried using

$_get['glossary']

function in wordpress functions.php hide path of specific post following domain

here full code of this

if ($_get['glossary']){          printf('<style>.author-box{display:none;}</style>'); }

it worked perfect , hide author-box specific post.

however when did activated permalink in wordpress changed url to

the above function of $_get no more working, suggestion on please ?

you can change if condition check uri

if ($_get['glossary'] || $_server['request_uri'] == '/glossary/extrathing/'){          printf('<style>.author-box{display:none;}</style>'); }

Two