Sessions problem

**bigalreturns** · Mar 22, 2006 08:52

I'm having problems with errors saying that session cookies cannot be sent, as header data has already been sent, and cant figure out why! I have the session start command as the first line of php, and it is enclosed in the head tags. The error message is...

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /home/abdpqj/public_html/login.php:3) in /home/abdpqj/public_html/login.php on line 4

The code I am using is...

Code:

<html>
<head>
<?
session_start();
$_SESSION['logged']="0";
?>
</head>
<body>
<form name="login" action="member.php" method="post">
Username:  <input name="name" type="text" id="name"><br>
Password:  <input name="pass" type="password" id="pass"><br>
<input type="submit" name="submit" value="submit">
</form>
</body>
</html>

**7stud** · Mar 22, 2006 08:54

I have the session start command as the first line of php, and it is enclosed in the head tags.

It should be before any html.

**bigalreturns** · Mar 22, 2006 09:11

thanks, nice and simple one one to fix! But... how long does a session stay open for? ie are its variable still accessible when the user navigates to a new page on my site?
My problem is that when they log in (using the code in my first post), they are taken to a profile page, which checks the password then displays the details. if the password is valid it then sets the variable $_SESSION['uname'] to the name they entered. However, when they then navigate to an edit profile page, and I try to retrieve the $_SESSION['uname'] variable, it comes back as "". Whats going wrong here?

**mudshark** · Mar 22, 2006 09:18

You're sure you are starting each page with session_start(); right?

**bigalreturns** · Mar 22, 2006 09:39

errrrmm, suuuure yeah. thats a no btw, didnt pick up from any tutorials that you had to!! thanks for the advice

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