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Changing login box after login


mythic

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I'm new to php, and have only started in fact yesterday. I have worked with php a little before, but only tweaking scripts and messing around till it worked my way.

 

However, yesterday I started my own script. So far so good. I've got it hooked up to the database, I've got a basic login, register, and logout page.

 

The only problem I have, is that in my template, I have a side bar. That's where I keep the login box. I was wondering if anyone new of a tutorial or code that could help me remove the login box if they are logged in, or after they login. so that I can display other info, like their user info and so on.

 

I've tried searching the net but have had no luck, because I have no idea what it'd be called to know what to search for. :S

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How are you verifying if the user is logged in? Cookies, Sessions?

 

Your logic code would be:

 

If user is logged in:

->Display something

else

->Display HTML form to log in

 

To display an block of HTML you can do

 

echo <<<HTML
You can put all the HTML you want here
HTML;

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Okay, this is the coding for the main page sort thing. It's where I have the login info for the sidebar so far.

 

<?php
include("conf.inc.php");

//Checks if there is a login cookie
if(isset($_COOKIE['ID_my_site']))

//if there is, it logs you in and directes you to the members page
{
$username = $_COOKIE['ID_my_site'];
$pass = $_COOKIE['Key_my_site'];
$check = mysql_query("SELECT * FROM users WHERE username = '$username'")or die(mysql_error());
while($info = mysql_fetch_array( $check ))
{
if ($pass != $info['password'])
{
}

}
}

//if the login form is submitted
if (isset($_POST['submit'])) { // if form has been submitted

// makes sure they filled it in
if(!$_POST['username'] | !$_POST['pass']) {
die('You did not fill in a required field.');
}
// checks it against the database

if (!get_magic_quotes_gpc()) {
$_POST['email'] = addslashes($_POST['email']);
}
$check = mysql_query("SELECT * FROM users WHERE username = '".$_POST['username']."'")or die(mysql_error());

//Gives error if user dosen't exist
$check2 = mysql_num_rows($check);
if ($check2 == 0) {
die('That user does not exist in our database. <a href=register.php>Click Here to Register</a>');
}
while($info = mysql_fetch_array( $check ))
{
$_POST['pass'] = stripslashes($_POST['pass']);
$info['password'] = stripslashes($info['password']);
$_POST['pass'] = md5($_POST['pass']);

//gives error if the password is wrong
if ($_POST['pass'] != $info['password']) {
die('Incorrect password, please try again.');
}
else
{

// if login is ok then we add a cookie
$_POST['username'] = stripslashes($_POST['username']);
$hour = time() + 3600;
setcookie(ID_my_site, $_POST['username'], $hour);
setcookie(Key_my_site, $_POST['pass'], $hour);

//then redirect them to the members area
header("Location: members.php");
}
}
}
else
{

// if they are not logged in

}

?>
<?php include("header.php"); ?>

<span class="header">Coming Soon</span><p>
<h1>
Sorry this page is coming soon. Please check soon!
<br><br>
</h1>
</td>
<td width="6" background="images/divider.gif">

</td>
<?php include("sidebar.php"); ?>
<?php include("footer.php"); ?>

 

And this is the code of the sidebar, where the form is, since it's an include.

<td align="center" valign="top" width="200">
<br>
<span class="header">Login</span><p>
<h1>
<form action="<?php echo $_SERVER['PHP_SELF']?>" method="post">
<table border="0">
<tr><td colspan="2" align="right"><h1><a href="register.php">Register</a></h1></td></tr>
<tr><td>Username:</td><td>
<input type="text" name="username" maxlength="40">
</td></tr>
<tr><td>Password:</td><td>
<input type="password" name="pass" maxlength="50">
</td></tr>
<tr><td colspan="2" align="right">
<input type="submit" name="submit" value="Login">
</td></tr>
</table>
</form>
</h1>

 

The reason why I don't know how to make it change if they are logged in is because the html code is off else where. It wasn't to begin with. It was mixed in the middle of the php. That's why I don't know how I'd code it to make is disappear, and replace it with something else.

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