<?php
if(!isset)
{
echo "welcome, Guest";
//show the login form
}
else
{
echo "welcome, $username";
}
?>
if you are using php you can do.
Code:<?php if(!isset) { echo "welcome, Guest"; //show the login form } else { echo "welcome, $username"; } ?>
There is more to this of coarse but it is an outline.
if(!isset($_GET['user']))
{
echo "welcome, Guest";
//show the login form
}
else
{
echo "welcome, $username";
}
session_start();
if (!isset($_GET['user']) && !isset($_SESSION['user'])) {
echo 'Welcome, guest.';
//Display form
} else if (isset($_GET['user']) && !isset($_SESSION['user'])) {
$_SESSION['user'] = $_GET['user'];
echo 'Welcome, ' . $_SESSION['user'];
} else {
echo 'Welcome, ' . $_SESSION['user'];
}