note 116335 added to function.session-is-registered

Hi, i'm not the best in PHP, I get an fatal error code Fatal error: Call to undefined function session_register() in Who can help me? session_start(); session_register('kal'); if(session_is_registered('menu')==FALSE) ---- Server IP: 72.52.91.14 Probable Submitter: 94.224.121.130 ---- Manual Page -- http://php.net/manual/en/function.session-is-registered.php Edit -- https://master.php.net/note/edit/116335 Del: integrated -- https://master.php.net/note/delete/116335/integrated Del: useless -- https://master.php.net/note/delete/116335/useless Del: bad code -- https://master.php.net/note/delete/116335/bad+code Del: spam -- https://master.php.net/note/delete/116335/spam Del: non-english -- https://master.php.net/note/delete/116335/non-english Del: in docs -- https://master.php.net/note/delete/116335/in+docs Del: other reasons-- https://master.php.net/note/delete/116335 Reject -- https://master.php.net/note/reject/116335 Search -- https://master.php.net/manage/user-notes.php