function xthreads_breadcrumb_hack($fid)
{
global $pforumcache, $forum_cache;
if (!$pforumcache) {
if (!is_array($forum_cache)) {
cache_forums();
}
foreach ($forum_cache as &$val) {
// MyBB does this very weirdly... I mean, like
// ...the second dimension of the array is useless, since fid
// is pulling a unique $val already...
$pforumcache[$val['fid']][$val['pid']] = $val;
}
}
if (!is_array($pforumcache[$fid])) {
return;
}
// our strategy works by rewriting parents of forums below hidden forums
foreach ($pforumcache[$fid] as &$pforum) {
// will only ever loop once
if ($pforum['fid'] != $fid) {
continue;
}
// paranoia
// we can't really hide the active breadcrumb, so ignore current forum...
// (actually, it might be possible if we rewrite forum ids)
if ($pforum['pid'] && !empty($pforumcache[$pforum['pid']])) {
$prevforum =& $pforum;
$forum =& xthreads_get_array_first($pforumcache[$pforum['pid']]);
while ($forum) {
if (!$forum['xthreads_hidebreadcrumb']) {
// rewrite parent fid (won't actually change if there's no hidden breadcrumbs in-between)
$prevforum['pid'] = $forum['fid'];
$prevforum =& $forum;
}
if (!$forum['pid'] || empty($pforumcache[$forum['pid']])) {
break;
}
$forum =& xthreads_get_array_first($pforumcache[$forum['pid']]);
}
$prevforum['pid'] = 0;
}
}
}
function xthreads_breadcrumb_hack_printthread()
{
global $pforumcache;
//if(!is_array($pforumcache)) {
// need to override because we want the 'xthreads_hidebreadcrumb' field
global $forum, $db, $fid;
$parlist = build_parent_list($fid, 'fid', 'OR', $forum['parentlist']);
$query = $db->simple_select('forums', 'name, fid, pid, xthreads_hidebreadcrumb', $parlist, array('order_by' => 'pid, disporder'));
while ($forumnav = $db->fetch_array($query)) {
$pforumcache[$forumnav['pid']][$forumnav['fid']] = $forumnav;
}
unset($forumnav, $forum, $fid);
// unsetting the global references
//}
if (!is_array($pforumcache[0])) {
return;
}
// do the same as xthreads_breadcrumb_hack() but in reverse
foreach ($pforumcache[0] as &$pforum) {
// will only ever loop once
if ($pforum['pid']) {
continue;
}
// paranoia
// firstly, skip any hidden top-level parents
$prevforum =& $pforum;
while ($prevforum && $prevforum['xthreads_hidebreadcrumb'] && !empty($pforumcache[$prevforum['fid']])) {
$prevforum =& xthreads_get_array_first($pforumcache[$prevforum['fid']]);
}
if ($prevforum) {
if ($prevforum['pid']) {
$prevforum['pid'] = 0;
$pforum = $prevforum;
}
$forum = null;
if ($pforumcache[$prevforum['fid']]) {
$forum =& xthreads_get_array_first($pforumcache[$prevforum['fid']]);
}
while ($forum) {
if (!$forum['xthreads_hidebreadcrumb']) {
// rewrite parent fid (won't actually change if there's no hidden breadcrumbs in-between)
$forum['pid'] = $prevforum['fid'];
$pforumcache[$forum['pid']] = array($forum['fid'] => $forum);
$prevforum =& $forum;
}
if (!$pforumcache[$forum['fid']]) {
// we always display the active breadcrumb, so set this if hidden
if ($forum['xthreads_hidebreadcrumb']) {
$forum['pid'] = $prevforum['fid'];
$pforumcache[$forum['pid']] = array($forum['fid'] => $forum);
}
break;
}
$forum =& xthreads_get_array_first($pforumcache[$forum['fid']]);
}
}
}
}