[SOLVED] Cannot modify header information - headers already sent... HELP NEEDED!!!

[dennismonsewicz]

Here is my code:

 

<?php

require "includes/sql.php";

$action = $_GET['action'];

if($_POST) {

	if($_POST['username'] || $_POST['password']) {
		$_SESSION['username'] = stripslashes($_POST['username']);
		$_SESSION['password'] = stripslashes($_POST['password']);
	}

}


switch($action) {

	case "login":
		$result = mysql_query("SELECT * FROM users where username = '".mysql_real_escape_string($_SESSION['username'])."' AND password = '".mysql_real_escape_string($_SESSION['password'])."'") or die(mysql_error());
		$num_rows = mysql_num_rows($result);
		header("location:index.php");
	exit;
	break;

	case "logout":
		session_destroy();
		header("location:index.php");
	exit;
	break;	
}

$login = '<a class="title">Login</a>
			<div>
				<form action="index.php?action=login" method="post">
					<label>Username:</label> <input type="text" name="username" id="username" />
					<label>Password: </label> <input type="password" name="password" id="password" />
					<input type="image" src="images/login.jpg" id="submit" />
				</form>
			</div>';

$logout = '<a class="title">My Profile</a>
                <div>
                    <ul>
                    	<li><a href="changepw.php">Change Password</a></li>
                        <li><a href="change-email.php">Change Email Address</a></li>
                        <li><a href="devotionals.php">Devotionals I wrote</a></li>
                        <li><a href="index.php?action=logout">Logout</a></li>
                    </ul>
                </div>
                <a class="title">Tools</a>
                <div>
                    <ul>
                    	<li><a href="#">Testing</a></li>
                    </ul>
                </div>
                <a class="title">Devotionals</a>
                <div>
                    <ul>
                    	<li><a href="#">Testing</a></li>
                    </ul>
		</div>
            
            <a class="title">Topics</a>
                <div>
                   <ul>
                    	<li><a href="#">Testing</a></li>
                    </ul>
		</div>';

?>

	<div class="accordion">
            	<?php if(!$_SESSION)
					{
						echo $login;
					} else {
						echo $logout;
					}
			?>

            </div> <!-- CLOSES ACCORDION DIV -->

 

Anyone got any ideas? This file is included in the header.php file, in which the header.php is included in the index.php file.

[kivison]

The problem is that somewhere in your file there is something being sent to the browser before some kind of redirection.

 

Try putting ob_start(); at ht ebeginning of the file and

ob_end_flush(); at the end.

 

Should cure it.

 

Keith

[trq]

Did you read the big HEADER ERRORS sticky at the top of this board?

[dennismonsewicz]

ok problem solved! LOL! I changed my PHP Version to 5.2.X on my hosting services and I placed the ob_ information in the respective places. Thanks for the help!

[PFMaBiSmAd]

The error message states which file and line number the output is being started at that is preventing the headers from working. Reading the error message will tell you where in your code you need to look to start troubleshooting the problem.