el problema es que lo mandas cabezeras(headers) despues de haber mandado la linea del css, si quitas la linea esa te queda sin formato la pagina pero lo que habia sugerido era que la movieras mas abajo por lo menos despues de donde incluyes archivos que utilizan la funcion header:
yo lo dejaria asi:
[PHP]
<?php
/************************************************** *************************
* viewonline.php
* -------------------
* begin : Saturday, Feb 13, 2001
* copyright : (C) 2001 The phpBB Group
* email :
[email protected]
*
* $Id: viewonline.php,v 1.54.2.2 2002/12/02 10:53:42 bartvb Exp $
*
*
************************************************** *************************/
/************************************************** *************************
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
************************************************** *************************/
define('IN_PHPBB', true);
$phpbb_root_path = './';
include($phpbb_root_path . 'extension.inc');
include($phpbb_root_path . 'common.'.$phpEx);
//
// Start session management
//
$userdata = session_pagestart($user_ip, PAGE_VIEWONLINE);
init_userprefs($userdata);
$page_title = $lang['Who_is_Online'];
include($phpbb_root_path . 'includes/page_header.'.$phpEx);
$template->set_filenames(array(
'body' => 'viewonline_body2.tpl')
);
make_jumpbox('viewforum.'.$phpEx);
$template->assign_vars(array(
'L_ONLINE_EXPLAIN' => $lang['Online_explain'],
'L_USERNAME' => $lang['Username'],
'L_LAST_UPDATE' => $lang['Last_updated'])
);
//
// Get auth data
//
$is_auth_ary = array();
$is_auth_ary = auth(AUTH_VIEW, AUTH_LIST_ALL, $userdata);
?>
<link href="viewonlinecss.css" rel="stylesheet" type="text/css">
<?
//
// Get user list
//
$sql = "SELECT u.user_id, u.username, u.user_allow_viewonline, u.user_level, s.session_logged_in, s.session_time, s.session_page, s.session_ip
FROM ".USERS_TABLE." u, ".SESSIONS_TABLE." s
WHERE u.user_id = s.session_user_id
AND s.session_time >= ".( time() - 300 ) . "
ORDER BY u.username ASC, s.session_ip ASC";
if ( !($result = $db->sql_query($sql)) )
{
message_die(GENERAL_ERROR, 'Could not obtain regd user/online information', '', __LINE__, __FILE__, $sql);
}
$guest_users = 0;
$registered_users = 0;
$hidden_users = 0;
$reg_counter = 0;
$guest_counter = 0;
$prev_user = 0;
$prev_ip = '';
while ( $row = $db->sql_fetchrow($result) )
{
$view_online = false;
if ( $row['session_logged_in'] )
{
$user_id = $row['user_id'];
if ( $user_id != $prev_user )
{
$username = $row['username'];
$style_color = '';
if ( $row['user_level'] == ADMIN )
{
$username = '<b style="color:#' . $theme['fontcolor3'] . '">' . $username . '</b>';
}
else if ( $row['user_level'] == MOD )
{
$username = '<b style="color:#' . $theme['fontcolor2'] . '">' . $username . '</b>';
}
if ( !$row['user_allow_viewonline'] )
{
$view_online = ( $userdata['user_level'] == ADMIN ) ? true : false;
$hidden_users++;
$username = '<i>' . $username . '</i>';
}
else
{
$view_online = true;
$registered_users++;
}
$which_counter = 'reg_counter';
$which_row = 'reg_user_row';
$prev_user = $user_id;
}
}
else
{
if ( $row['session_ip'] != $prev_ip )
{
$username = $lang['Guest'];
$view_online = true;
$guest_users++;
$which_counter = 'guest_counter';
$which_row = 'guest_user_row';
}
}
$prev_ip = $row['session_ip'];
if ( $view_online )
{
if ( $row['session_page'] < 1 || !$is_auth_ary[$row['session_page']]['auth_view'] )
{
switch( $row['session_page'] )
{
case PAGE_INDEX:
$location = $lang['Forum_index'];
$location_url = "index.$phpEx";
break;
case PAGE_POSTING:
$location = $lang['Posting_message'];
$location_url = "index.$phpEx";
break;
case PAGE_LOGIN:
$location = $lang['Logging_on'];
$location_url = "index.$phpEx";
break;
case PAGE_SEARCH:
$location = $lang['Searching_forums'];
$location_url = "search.$phpEx";
break;
case PAGE_PROFILE:
$location = $lang['Viewing_profile'];
$location_url = "index.$phpEx";
break;
case PAGE_VIEWONLINE:
$location = $lang['Viewing_online'];
$location_url = "viewonline.$phpEx";
break;
case PAGE_VIEWMEMBERS:
$location = $lang['Viewing_member_list'];
$location_url = "memberlist.$phpEx";
break;
case PAGE_PRIVMSGS:
$location = $lang['Viewing_priv_msgs'];
$location_url = "privmsg.$phpEx";
break;
case PAGE_FAQ:
$location = $lang['Viewing_FAQ'];
$location_url = "faq.$phpEx";
break;
default:
$location = $lang['Forum_index'];
$location_url = "index.$phpEx";
}
}
else
{
}
$row_color = ( $$which_counter % 2 ) ? $theme['td_color1'] : $theme['td_color2'];
$row_class = ( $$which_counter % 2 ) ? $theme['td_class1'] : $theme['td_class2'];
$template->assign_block_vars("$which_row", array(
'ROW_COLOR' => '#' . $row_color,
'ROW_CLASS' => $row_class,
'USERNAME' => $username,
'U_USER_PROFILE' => append_sid("profile.$phpEx?mode=viewprofile&" . POST_USERS_URL . '=' . $user_id),
'U_FORUM_LOCATION' => append_sid($location_url))
);
$$which_counter++;
}
}
if( $registered_users == 0 )
{
$l_r_user_s = $lang['Reg_users_zero_online'];
}
else if( $registered_users == 1 )
{
$l_r_user_s = $lang['Reg_user_online'];
}
else
{
$l_r_user_s = $lang['Reg_users_online'];
}
if( $hidden_users == 0 )
{
$l_h_user_s = $lang['Hidden_users_zero_online'];
}
else if( $hidden_users == 1 )
{
$l_h_user_s = $lang['Hidden_user_online'];
}
else
{
$l_h_user_s = $lang['Hidden_users_online'];
}
$template->assign_vars(array(
'TOTAL_GUEST_USERS_ONLINE' => sprintf($l_g_user_s))
);
if ( $registered_users + $hidden_users == 0 )
{
$template->assign_vars(array(
'TOTAL_GUEST_USERS_ONLINE' => sprintf($l_g_user_s))
);
}
{
$template->assign_vars(array(
'TOTAL_GUEST_USERS_ONLINE' => sprintf($l_g_user_s))
);
}
$template->pparse('body');
?>
[/HP]