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PHP "Cannot Modify Header Information" Error
- Thread starter steelphantom
- Start date
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I'm not sure what that means. All I'm doing with PHP on the home page is using
inside the content div to include news files from the forum. news.php is a mod scrip for PHPBB that I downloaded from the official web site.
PHP:
<?php include("news.php"); ?>so that is all that is in your php file? The problem may be in the external file that you are including.
Well, there is an include later on which includes the sidebar and the footer, but that actually works. It must be the external file, because I included a dummy file and it worked perfectly. Here's the code of the external file:
PHP:
<?php
/******************************************************************************
* POST SYNDICATION SCRIPT by chAos
* A very basic script that pulls threads with the first post from the database
* and puts them into an array form so you can use them as you like.
* For use with phpBB3, freely distributable
******************************************************************************/
/** Notes:
* - Attachments haven't been handled properly.
* - Starts a forum session as Guest user, taking all the default values for time, bbcode style (from theme), etc
* - While viewing this page, users will appear to be viewing the Forum Index on viewonline.php.
* This can't be helped without modifying other code which is beyond this
*/
define('FORUM_ID', 3); // Forum ID to get data from
define('POST_LIMIT', 5); // How many to get
define('PHPBB_ROOT_PATH', './forum/'); // Path to phpBB (including trailing /)
define('PRINT_TO_SCREEN', true);
// If set to true, it will print the posts out
// If set to false it will create an array $news[] with all the following info
// 'topic_id' eg. 119
// 'topic_time' eg. 06 June, 07 (uses board default)
// 'topic_replies' eg. 26
// 'username' eg. chAos
// 'topic_title' eg. "News Post"
// 'post_text' eg. just the text (formatted w/ smilies, bbcode, etc)
//
//////////////////////////////////////
define('IN_PHPBB', true);
$phpbb_root_path = PHPBB_ROOT_PATH;
$phpEx = substr(strrchr(__FILE__, '.'), 1);
include($phpbb_root_path . 'common.' . $phpEx);
include($phpbb_root_path . 'includes/functions_display.' . $phpEx);
include($phpbb_root_path . 'includes/bbcode.' . $phpEx);
// Start session management
$user->session_begin(false);
$auth->acl($user->data);
// Grab user preferences
$user->setup();
$query =
"SELECT u.user_id, u.username, t.topic_title, t.topic_poster, t.forum_id, t.topic_id, t.topic_time, t.topic_replies, t.topic_first_post_id, p.poster_id, p.topic_id, p.post_id, p.post_text, p.bbcode_bitfield, p.bbcode_uid
FROM ".USERS_TABLE." u, ".TOPICS_TABLE." t, ".POSTS_TABLE." p
WHERE u.user_id = t.topic_poster
AND u.user_id = p.poster_id
AND t.topic_id = p.topic_id
AND p.post_id = t.topic_first_post_id
AND t.forum_id = ".FORUM_ID."
ORDER BY t.topic_time DESC";
$result = $db->sql_query_limit($query, POST_LIMIT);
$posts = array();
$news = array();
$bbcode_bitfield = '';
$message = '';
$poster_id = 0;
while ($r = $db->sql_fetchrow($result))
{
$posts[] = array(
'topic_id' => $r['topic_id'],
'topic_time' => $r['topic_time'],
'username' => $r['username'],
'user_id' => $r['user_id'],
'topic_title' => $r['topic_title'],
'post_text' => $r['post_text'],
'bbcode_uid' => $r['bbcode_uid'],
'bbcode_bitfield' => $r['bbcode_bitfield'],
'topic_replies' => $r['topic_replies'],
);
$bbcode_bitfield = $bbcode_bitfield | base64_decode($r['bbcode_bitfield']);
}
// Instantiate BBCode
if ($bbcode_bitfield !== '')
{
$bbcode = new bbcode(base64_encode($bbcode_bitfield));
}
// Output the posts
foreach($posts as $m)
{
$poster_id = $m['user_id'];
$message = $m['post_text'];
if($m['bbcode_bitfield'])
{
$bbcode->bbcode_second_pass($message, $m['bbcode_uid'], $m['bbcode_bitfield']);
}
$message = str_replace("\n", '<br />', $message);
$message = smiley_text($message);
$comment = ($m['topic_replies']==1) ? 'comment' : 'comments';
if( PRINT_TO_SCREEN )
{
echo "\t\t<div class=\"post\">";
echo "\n\t\t\t<h2><a href=\"".PHPBB_ROOT_PATH."viewtopic.php?f=".FORUM_ID."&t={$m['topic_id']}\">{$m['topic_title']}</a></h2>";
echo "\n\t\t\t<p class=\"content_text\">{$message}</p>";
echo "\n\t\t\t<p class=\"postedby\"> by <a href=\"".PHPBB_ROOT_PATH."memberlist.php?mode=viewprofile&u={$m['user_id']}\">{$m['username']}</a> on ".date("F j, Y", $m['topic_time'] + 18000)." | <a href=\"".PHPBB_ROOT_PATH."viewtopic.php?f=".FORUM_ID."&t={$m['topic_id']}\">{$m['topic_replies']} {$comment}</a></p>";
echo "\n\t\t</div>\n";
}
else
{
$news[] = array(
'topic_id' => $m['topic_id'], // eg: 119
'topic_time' => $user->format_date($m['topic_time']), // eg: 06 June, 07 (uses board default)
'topic_replies' => $m['topic_replies'], // eg: 26
'username' => $m['username'], // eg: chAos
'topic_title' => $m['topic_title'], // eg: "News Post"
'post_text' => $message, // just the text
);
}
unset($message,$poster_id);
}
?>session.php is located at http://theleafsband.com/forums/includes/session.php
Line 1006 is:
PHP:
header('Set-Cookie: ' . $name_data . (($cookietime) ? '; expires=' . $expire : '') . '; path=' . $config['cookie_path'] . $domain . ((!$config['cookie_secure']) ? '' : '; secure') . '; HttpOnly', false);More helpful, probably, is this:
PHP:
/**
* Sets a cookie
*
* Sets a cookie of the given name with the specified data for the given length of time. If no time is specified, a session cookie will be set.
*
* @param string $name Name of the cookie, will be automatically prefixed with the phpBB cookie name. track becomes [cookie_name]_track then.
* @param string $cookiedata The data to hold within the cookie
* @param int $cookietime The expiration time as UNIX timestamp. If 0 is provided, a session cookie is set.
*/
function set_cookie($name, $cookiedata, $cookietime)
{
global $config;
$name_data = rawurlencode($config['cookie_name'] . '_' . $name) . '=' . rawurlencode($cookiedata);
$expire = gmdate('D, d-M-Y H:i:s \\G\\M\\T', $cookietime);
$domain = (!$config['cookie_domain'] || $config['cookie_domain'] == 'localhost' || $config['cookie_domain'] == '127.0.0.1') ? '' : '; domain=' . $config['cookie_domain'];
header('Set-Cookie: ' . $name_data . (($cookietime) ? '; expires=' . $expire : '') . '; path=' . $config['cookie_path'] . $domain . ((!$config['cookie_secure']) ? '' : '; secure') . '; HttpOnly', false);
}
Your session.php file is setting a cookie. Cookies must be set before any output is sent to the browser. Make sure that the session file is being called before anything is output.
Sometimes having a blank line at the beginning of any of your PHP files will cause this.
Sometimes having a blank line at the beginning of any of your PHP files will cause this.
Figured it out! I needed to include the first part of the news.php at the beginning of the file, and the second part where I wanted to output the HTML. Thanks, guys!
Great! Glad you got it sorted out then. What the other guy was talking about was the same as what I had originally thought.