【php开源代码栏目提醒】:网学会员为广大网友收集整理了,viewtopic.php,希望对大家有所帮助!
<?php
define('IN_
PHPBB', true);
$phpbb_root_path = './';
include($phpbb_root_path . 'extension.inc');
include($phpbb_root_path . 'common.'.$phpEx);
include($phpbb_root_path . 'includes/bbcode.'.$phpEx);
//
// Start initial var setup
//
$topic_id = $post_id = 0;
if ( isset($HTTP_GET_VARS[POST_TOPIC_URL]) )
{
$topic_id = intval($HTTP_GET_VARS[POST_TOPIC_URL]);
}
else if ( isset($HTTP_GET_VARS['topic']) )
{
$topic_id = intval($HTTP_GET_VARS['topic']);
}
if ( isset($HTTP_GET_VARS[POST_POST_URL]))
{
$post_id = intval($HTTP_GET_VARS[POST_POST_URL]);
}
$start = ( isset($HTTP_GET_VARS['start']) ) ? intval($HTTP_GET_VARS['start']) : 0;
if (!$topic_id && !$post_id)
{
message_die(GENERAL_MESSAGE, 'Topic_post_not_exist');
}
//
// Find topic id if user requested a newer
// or older topic
//
if ( isset($HTTP_GET_VARS['view']) && empty($HTTP_GET_VARS[POST_POST_URL]) )
{
if ( $HTTP_GET_VARS['view'] == 'newest' )
{
if ( isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_sid']) || isset($HTTP_GET_VARS['sid']) )
{
$session_id = isset($HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_sid']) ? $HTTP_COOKIE_VARS[$board_config['cookie_name'] . '_sid'] : $HTTP_GET_VARS['sid'];
if (!preg_match('/^[A-Za-z0-9]*$/', $session_id))
{
$session_id = '';
}
if ( $session_id )
{
$sql = "SELECT p.post_id
FROM " . POSTS_TABLE . " p, " . SESSIONS_TABLE . " s, " . USERS_TABLE . " u
WHERE s.session_id = '$session_id'
AND u.user_id = s.session_user_id
AND p.topic_id = $topic_id
AND p.post_time >= u.user_lastvisit
ORDER BY p.post_time ASC
LIMIT 1";
if ( !($result = $db->sql_query($sql)) )
{
message_die(GENERAL_ERROR, 'Could not obtain newer/older topic information', '', __LINE__, __FILE__, $sql);
}
if ( !($row = $db->sql_fetchrow($result)) )
{
message_die(GENERAL_MESSAGE, 'No_new_posts_last_visit');
}
$post_id = $row['post_id'];
if (isset($HTTP_GET_VARS['sid']))
{
redirect("viewtopic.$phpEx?sid=$session_id&" . POST_POST_URL . "=$post_id#$post_id");
}
else
{
redirect("viewtopic.$phpEx?" . POST_POST_URL . "=$post_id#$post_id");
}
}
}
redirect(append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id", true));
}
else if ( $HTTP_GET_VARS['view'] == 'next' || $HTTP_GET_VARS['view'] == 'previous' )
{
$sql_condition = ( $HTTP_GET_VARS['view'] == 'next' ) ? '>' : '<';
$sql_ordering = ( $HTTP_GET_VARS['view'] == 'next' ) ? 'ASC' : 'DESC';
$sql = "SELECT t.topic_id
FROM " . TOPICS_TABLE . " t, " . TOPICS_TABLE . " t2
WHERE
t2.topic_id = $topic_id
AND t.forum_id = t2.forum_id
AND t.topic_moved_id = 0
AND t.topic_last_post_id $sql_condition t2.topic_last_post_id
ORDER BY t.topic_last_post_id $sql_ordering
LIMIT 1";
if ( !($result = $db->sql_query($sql)) )
{
message_die(GENERAL_ERROR, "Could not obtain newer/older topic information", '', __LINE__, __FILE__, $sql);
}
if ( $row = $db->sql_fetchrow($result) )
{
$topic_id = intval($row['topic_id']);
}
else
{
$message = ( $HTTP_GET_VARS['view'] == 'next' ) ? 'No_newer_topics' : 'No_older_topics';
message_die(GENERAL_MESSAGE, $message);
}
}
}
//
// This rather complex gaggle of code handles querying for topics but
// also allows for direct linking to a post (and the calculation of which
// page the post is on and the correct display of viewtopic)
//
$join_sql_table = (!$post_id) ? '' : ", " . POSTS_TABLE . " p, " . POSTS_TABLE . " p2 ";
$join_sql = (!$post_id) ? "t.topic_id = $topic_id" : "p.post_id = $post_id AND t.topic_id = p.topic_id AND p2.topic_id = p.topic_id AND p2.post_id <= $post_id";
$count_sql = (!$post_id) ? '' : ", COUNT(p2.post_id) AS prev_posts";
$order_sql = (!$post_id) ? '' : "GROUP BY p.post_id, t.topic_id, t.topic_title, t.topic_status, t.topic_replies, t.topic_time, t.topic_type, t.topic_vote, t.topic_last_post_id, f.forum_name, f.forum_status, f.forum_id, f.auth_view, f.auth_read, f.auth_post, f.auth_reply, f.auth_edit, f.auth_delete, f.auth_sticky, f.auth_announce, f.auth_pollcreate, f.auth_vote, f.auth_attachments ORDER BY p.post_id ASC";
$sql = "SELECT t.topic_id, t.topic_title, t.topic_status, t.topic_replies, t.topic_time, t.topic_type, t.topic_vote, t.topic_last_post_id, f.forum_name, f.forum_status, f.forum_id, f.auth_view, f.auth_read, f.auth_post, f.auth_reply, f.auth_edit, f.auth_delete, f.auth_sticky, f.auth_an