Cannot send session cookie - headers already sent

**Guybrush** · #1 (**permalink**) 01-15-2009, 12:45 AM

Hi, I'm getting this error, anyone know anything about it?

"Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at C:\xampp\htdocs\index.php:3) in C:\xampp\htdocs\index.php on line 3"

My Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Title Goes Here</title>
<?php session_start(); ?>
</head>

I can't figure out why session_start() is causing an error?

**Guybrush** · #2 (**permalink**) 01-15-2009, 02:22 AM

Heh never mind, I fixed it.

Needed to put <?php session_start(); ?> at line 1.

Rogier · #3 (**permalink**) 01-15-2009, 10:24 AM

Any error in php that mentions headers already being sent is usually either due to session_start() being called when output has already been sent to the browser, or because header() was called after output has already been sent. :)

Once you know that, these errors become so easy to fix :)

DN_Angel · #4 (**permalink**) 10-12-2009, 06:32 AM

Good thing that you see the solution.. it's nice to know that you solve your problem all by yourself.. =p

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