<?php include('header.php');?>
<h1>This is the INDEX Page</h1>
-------------------
header.php
<?php
$protocol=$_SERVER['SERVER_PROTOCOL'];
if(strpos($protocol, "HTTPS"))
{
$protocol="HTTPS://";
}
else
{
$protocol="HTTP://";
}
$redirect_link_var=$protocol.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
?>
<table width="100%" border="1" cellspacing="0">
<tr>
<td><a href="index.php">index</a></td>
<td><a href="login.php?page_url=<?php echo $redirect_link_var;?>">login</a></td>
<td><a href="page1.php">page 1</a></td>
<td><a href="page2.php">page 2</a></td>
<td><a href="page3.php">page 3</a></td>
</tr>
</table>
-------------------
login.php
<?php include('header.php');?>
<?php
if($_POST)
{
if($_POST['username']=="123"&&$_POST['password']=="123")
{
$redirect_link=$_REQUEST['page_url'];
if($redirect_link=="")
{
header("location: index.php");
}
else
{
header("location: ".$redirect_link);
}
}
}
?>
<form action="" method="post">
<input type="text" name="username">
<br/>
<input type="password" name="password">
<br/>
<input type="submit" name="" value="login">
</form>
-------------------
page1.php
<?php include('header.php');?>
<h2>This is page 1</h2>
-------------------
page2.php
<?php include('header.php');?>
<h3>This is page 2</h3>
-------------------
page3.php
<?php include('header.php');?>
<h4>This is page 3</h4>
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