html - Comunication betwen two *.php -
i have login.php , register.php. in header.php can see loged user. can not find way how logout. next server.php if (isset($_get['logout'])){ session_destroy(); unset($_session['username']); header("location:homepage.php"); } and next header.php have <!doctype html> <?php include('server.php'); ?> <?php if (isset($_session['username'])): ?> <p> welcome <?php echo $_session['username']; ?></p> <a href="homepage.php?logout='1'">logout</a> <?php endif ?> <?php if (!isset($_session['username'])): ?> <p><?php echo "you not loged" ?></p> <?php endif ?> and looking find way "you not loged". , no s...