<?php
if(!isset($_COOKIE['user']))
{
echo '
<form action="login.php" method="post" >
<label>Username</label><br />
<input type="text" name="username" /><br />
<label>Password</label><br />
<input type="password" name="password" /><br />
<input type="submit" value="login" name="login" />
</form>';
}
else
{
echo 'welcome '.$_COOKIE['user'].'!';
}
if(isset($_POST["login"]))
{
$username= $_POST["username"];
$password= $_POST["password"];
$login = new mysqli(****,****,****,****);
$check = $login -> query("SELECT * from users WHERE username = '".$username."' AND password = '".$password."' ");
if($check -> num_rows > 0)
{
setcookie("user",$username,time()+10);
header("Location: login.php");
}
else
{
echo 'login failed';
}
}
?>