sql_query($sql);
$forum_list = '';
while( $row = $db->sql_fetchrow($result) )
{
if ( $acl->get_acl($row['forum_id'], 'forum', 'read') && $ignore_forum != $row['forum_id'] )
{
$forum_list .= '';
}
}
$forum_list = ( $forum_list == '' ) ? '' : '';
return $forum_list;
}
//
// Synchronise functions for forums/topics
//
function sync($type, $id)
{
global $db;
switch($type)
{
case 'all forums':
$sql = "SELECT forum_id
FROM " . FORUMS_TABLE;
$result = $db->sql_query($sql);
while( $row = $db->sql_fetchrow($result) )
{
sync('forum', $row['forum_id']);
}
break;
case 'all topics':
$sql = "SELECT topic_id
FROM " . TOPICS_TABLE;
$result = $db->sql_query($sql);
while( $row = $db->sql_fetchrow($result) )
{
sync('topic', $row['topic_id']);
}
break;
case 'forum':
$sql = "SELECT MAX(p.post_id) AS last_post, COUNT(p.post_id) AS total
FROM " . POSTS_TABLE . " p, " . TOPICS_TABLE . " t
WHERE p.forum_id = $id
AND t.topic_id = p.topic_id
AND t.topic_status <> " . TOPIC_MOVED;
$result = $db->sql_query($sql);
if ( $row = $db->sql_fetchrow($result) )
{
$last_post = ( $row['last_post'] ) ? $row['last_post'] : 0;
$total_posts = ($row['total']) ? $row['total'] : 0;
}
else
{
$last_post = 0;
$total_posts = 0;
}
$sql = "SELECT COUNT(topic_id) AS total
FROM " . TOPICS_TABLE . "
WHERE forum_id = $id
AND topic_status <> " . TOPIC_MOVED;
$result = $db->sql_query($sql);
$total_topics = ( $row = $db->sql_fetchrow($result) ) ? ( ( $row['total'] ) ? $row['total'] : 0 ) : 0;
$sql = "UPDATE " . FORUMS_TABLE . "
SET forum_last_post_id = $last_post, forum_posts = $total_posts, forum_topics = $total_topics
WHERE forum_id = $id";
$db->sql_query($sql);
break;
case 'topic':
$sql = "SELECT MAX(post_id) AS last_post, MIN(post_id) AS first_post, COUNT(post_id) AS total_posts
FROM " . POSTS_TABLE . "
WHERE topic_id = $id";
$result = $db->sql_query($sql);
if ( $row = $db->sql_fetchrow($result) )
{
$sql = "UPDATE " . TOPICS_TABLE . "
SET topic_replies = " . ( $row['total_posts'] - 1 ) . ", topic_first_post_id = " . $row['first_post'] . ", topic_last_post_id = " . $row['last_post'] . "
WHERE topic_id = $id";
$db->sql_query($sql);
}
case 'post':
break;
break;
}
return true;
}
function prune($forum_id, $prune_date)
{
global $db, $lang, $phpEx, $phpbb_root_path;
require_once($phpbb_root_path . 'includes/functions_posting.'.$phpEx);
//
// Those without polls ...
//
$sql = "SELECT t.topic_id
FROM " . POSTS_TABLE . " p, " . TOPICS_TABLE . " t
WHERE t.forum_id = $forum_id
AND t.topic_vote = 0
AND t.topic_type <> " . POST_ANNOUNCE . "
AND ( p.post_id = t.topic_last_post_id
OR t.topic_last_post_id = 0 )";
if ( $prune_date != '' )
{
$sql .= " AND p.post_time < $prune_date";
}
$result = $db->sql_query($sql);
$sql_topics = '';
while ( $row = $db->sql_fetchrow($result) )
{
$sql_topics .= ( ( $sql_topics != '' ) ? ', ' : '' ) . $row['topic_id'];
}
if ( $sql_topics != '' )
{
$sql = "SELECT post_id
FROM " . POSTS_TABLE . "
WHERE forum_id = $forum_id
AND topic_id IN ($sql_topics)";
$result = $db->sql_query($sql);
$sql_post = '';
while ( $row = $db->sql_fetchrow($result) )
{
$sql_post .= ( ( $sql_post != '' ) ? ', ' : '' ) . $row['post_id'];
}
if ( $sql_post != '' )
{
$db->sql_transaction();
$sql = "DELETE FROM " . TOPICS_TABLE . "
WHERE topic_id IN ($sql_topics)";
$db->sql_query($sql);
$pruned_topics = $db->sql_affectedrows();
$sql = "DELETE FROM " . POSTS_TABLE . "
WHERE post_id IN ($sql_post)";
$db->sql_query($sql);
$pruned_posts = $db->sql_affectedrows();
$sql = "DELETE FROM " . POSTS_TEXT_TABLE . "
WHERE post_id IN ($sql_post)";
$db->sql_query($sql);
$sql = "DELETE FROM " . SEARCH_MATCH_TABLE . "
WHERE post_id IN ($sql_post)";
$db->sql_query($sql);
remove_search_post($sql_post);
$db->sql_transaction('commit');
return array ('topics' => $pruned_topics, 'posts' => $pruned_posts);
}
}
return array('topics' => 0, 'posts' => 0);
}
//
// Function auto_prune(), this function will read the configuration data from
// the auto_prune table and call the prune function with the necessary info.
//
function auto_prune($forum_id = 0)
{
global $db, $lang;
$sql = "SELECT prune_freq, prune_days
FROM " . FORUMS_TABLE . "
WHERE forum_id = $forum_id";
$result = $db->sql_query($sql);
if ( $row = $db->sql_fetchrow($result) )
{
if ( $row['prune_freq'] && $row['prune_days'] )
{
$prune_date = time() - ( $row['prune_days'] * 86400 );
$next_prune = time() + ( $row['prune_freq'] * 86400 );
prune($forum_id, $prune_date);
sync('forum', $forum_id);
$sql = "UPDATE " . FORUMS_TABLE . "
SET prune_next = $next_prune
WHERE forum_id = $forum_id";
$db->sql_query($sql);
}
}
return;
}
/***************************************************************************
*
* These functions are mainly for use in the db_utilities under the admin
* however in order to make these functions available elsewhere, specifically
* in the installation phase of phpBB I have seperated out a couple of
* functions into this file. JLH
*
\***************************************************************************/
//
// remove_comments will strip the sql comment lines out of an uploaded sql file
// specifically for mssql and postgres type files in the install....
//
function remove_comments(&$output)
{
$lines = explode("\n", $output);
$output = '';
// try to keep mem. use down
$linecount = count($lines);
$in_comment = false;
for($i = 0; $i < $linecount; $i++)
{
if ( preg_match('/^\/\*/', preg_quote($lines[$i])) )
{
$in_comment = true;
}
if ( !$in_comment )
{
$output .= $lines[$i] . "\n";
}
if ( preg_match('/\*\/$/', preg_quote($lines[$i])) )
{
$in_comment = false;
}
}
unset($lines);
return $output;
}
//
// remove_remarks will strip the sql comment lines out of an uploaded sql file
//
function remove_remarks($sql)
{
$lines = explode("\n", $sql);
// try to keep mem. use down
$sql = '';
$linecount = count($lines);
$output = '';
for ($i = 0; $i < $linecount; $i++)
{
if ( $i != $linecount - 1 || strlen($lines[$i]) > 0 )
{
$output .= ( $lines[$i][0] != '#' ) ? $lines[$i] . "\n" : "\n";
// Trading a bit of speed for lower mem. use here.
$lines[$i] = '';
}
}
return $output;
}
//
// split_sql_file will split an uploaded sql file into single sql statements.
// Note: expects trim() to have already been run on $sql.
//
function split_sql_file($sql, $delimiter)
{
// Split up our string into "possible" SQL statements.
$tokens = explode($delimiter, $sql);
// try to save mem.
$sql = '';
$output = array();
// we don't actually care about the matches preg gives us.
$matches = array();
// this is faster than calling count($oktens) every time thru the loop.
$token_count = count($tokens);
for ($i = 0; $i < $token_count; $i++)
{
// Don't wanna add an empty string as the last thing in the array.
if ( $i != $token_count - 1 || strlen($tokens[$i] > 0) )
{
// This is the total number of single quotes in the token.
$total_quotes = preg_match_all("/'/", $tokens[$i], $matches);
// Counts single quotes that are preceded by an odd number of backslashes,
// which means they're escaped quotes.
$escaped_quotes = preg_match_all("/(?