Mod forum list cho portal, Giống diễn đàn này

<?php

$query = $DB->query("SELECT * FROM ibf_forums WHERE parent_id='-1' ORDER BY position");
while($out_cats=$DB->fetch_row($query)){

$thread_urls .= "» <a href={$ibforums->vars['board_url']}/forum.html{$out_cats['id']}><b>{$out_cats['name']}</b></a><br>";

$query_f = $DB->query("SELECT * FROM ibf_forums WHERE parent_id='{$out_cats['id']}' ORDER BY position");
while($out_f=$DB->fetch_row($query_f)){

$thread_urls .= "|- <a href={$ibforums->vars['board_url']}/forum.html{$out_f['id']}>{$out_f['name']}</a><br>";
$query_sf = $DB->query("SELECT * FROM ibf_forums WHERE parent_id='{$out_f['id']}' ORDER BY position");
while($out_sf=$DB->fetch_row($query_sf)){
$thread_urls .= "     · <a href={$ibforums->vars['board_url']}/forum.html{$out_sf['id']}>{$out_sf['name']}</a><br>";
}
}
}
echo "<tr><td colspan=2 width=100% align=center class=titlemedium>Forums & subforums</td></tr>
<tr>
<td class=row2>
<div style='overflow:auto;height:300px'>
{$thread_urls}
</div>
</td>
</tr>";

?>