<?php
session_start();
$user="";
$pass="";
if(isset($_POST['submit'])){
if($_POST['user']==$user){
if($_POST['pass']==$pass){
$_SESSION['username']=$user;
}else{
exit("Wrong User/Pass!");
}
}else{
exit("Wrong User/Pass!");
}
}
if(!isset($_SESSION['username'])){
echo "<form action="" method="post"><center>
<table><tbody>
<tr><td>Username: </td><td><input type="text" name="user" value=""></td></tr>
<tr><td>Password: </td><td><input type="password" name="pass" value=""></td></tr>
<tr><td colspan="2"><input type="submit" name="submit" value="Login!"></td></tr>
</tbody></table></form></center>";
exit();
}
if(!isset($_SESSION['username'])||$_SESSION['username']!==$user)){
exit();
}
?>
