session_start(); if(!session_is_registered("users")){ $counter="counter.txt"; $fd = fopen($counter, "r"); $num = fread($fd, filesize( $counter )); fclose($fd); $fd = fopen($counter, "w"); $users = $num + 1; session_register("users"); fwrite($fd, $users); fclose($fd); }else{ $users = $HTTP_SESSION_VARS["users"]; } ?>

























