<th scope="col" hidden><a href="./index.php?key=id_ticket&sort=<?= isset($_GET['sort'] && $_GET['sort'] == 'asc' ? 'desc' : 'asc') ?>">ID</a></th>
<th scope="col"><a href="./index.php?key=create_date&sort=<?= isset($_GET['sort'] && $_GET['sort'] == 'asc' ? 'desc' : 'asc') ?>/">Дата создания</a></th><meta name="my_data" content="<?=$data; ?>">let data = document.querySelector('meta[name=my_data]').getAttribute('content');?>
<?phpheader ("Location: lk.php");print <<<HERE
<html><head><META HTTP-EQUIV='Refresh' content ='0; URL=lk.php'></head>
</html>
HERE;