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Members Area 1

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TrueJoker

TrueJoker

Technical User
Jun 14, 2006
115
GB
The Members Area i have created was working fine, and then suddenly i get this warning/error when i test the new member sign up script

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/httpd/vhosts/impa.net/httpdocs/new_member.php:6) in /home/httpd/vhosts/impa.net/httpdocs/new_member.php on line 223

now the php code that this is refering to is as follows

Code: 
Line in code.
\/
218. <?php
219. 	session_start();
220. 	 
221.	if (@$_SESSION['auth'] != "yes")
222.	{
223.		header("Location: login.php");
224.		exit();
225.	}
226.	include("doc.inc");
227.	$connection = mysql_connect($host,$user,$password)
228.	or die ("Couldn't connect to the server.");
229.	$db = mysql_select_db($database, $connection)
230.		or die ("Couldn't connect to database.");
231.	$sql = "SELECT contact,company FROM Member
232.		WHERE loginName='{$_SESSION['logname']}'";
233.	$result = mysql_query($sql)
234.			or die("Couldn't execute query 1.");
235.	$row = mysql_fetch_array($result,MYSQL_ASSOC);
236.	extract($row);
237.	echo	"<html>
238	 <head><title>New Member Welcome</title></head>
239.			 <body>
240.		<h2 align='center' style='margin-top: .9in'>
241.		 Welcome $contact at $company</h2>\n";
242. ?>

This was working fine before! i ahvent changed anything but ahve no idea why this error appears, it still adds the new members details to the database :S
 
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you have some output createt at line 6 in that file. look for a blank line outside of the php tags or something similar. if in doubt post the first 10 lines from that file.
 
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Here are the first 10 lines of this document!

Code: 
1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "[URL unfurl="true"]http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">[/URL]
2. <html xmlns="[URL unfurl="true"]http://www.w3.org/1999/xhtml"><!--[/URL] InstanceBegin template="/Templates/membership.dwt" codeOutsideHTMLIsLocked="false" -->
3. <head>
4. <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
5. <!-- InstanceBeginEditable name="doctitle" -->
6. <title>Welcome to IMPA</title>
7. <!-- InstanceEndEditable -->
8. <link href="text.css" rel="stylesheet" type="text/css" />
9. <style type="text/css">
10. <!--

This is really strange because it was working perfectly fine some time ago!
 
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well - there's your problem. you are outputting html conten before you start the php. this will never have worked - i promise. you are just seeing a different behaviour as previously the auth element of $_SESSION has been set to yes properly so the header redirection has not been triggered.

i don't tend to use redirects for this reason. i keep all input and output going to and from the same page, and control the user experience using included files. this is called a variety of names: despatch method is the most common. there is a good article on it at phpsec.org. it leads to clean code, clean file trees and good security.

 
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