Nested topic list code snippet
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I figure someone might find this useful, as it took me a while to do properly. The following is some code I’m using to create a bullet point (
<ul>) list of forums which nests sub-forums nicely, in my case for a sidebar.<?php if ( bb_forums() ) :
while ( $depth = bb_forum() ) :
if( $depth > $last_depth ) : ?>
<?php echo str_repeat(" ",$depth) ?><ul>
<?php else : ?></li>
<?php while( $depth < $last_depth ) :
echo str_repeat(" ",$depth+1) ?></ul>
<?php echo str_repeat(" ",$depth) ?></li>
<?php $last_depth--;
endwhile;
endif;
if (bb_get_forum_is_category()) :
echo str_repeat(" ",$depth) ?><li class="forum_cat"><a href="<?php forum_link() ?>" title="<?php forum_description(array('before'=>'','after'=>'')) ?>"><?php forum_name() ?></a><?php
else :
echo str_repeat(" ",$depth+1) ?><li class="forum_subforum"><a href="<?php forum_link() ?>" title="<?php forum_description(array('before'=>'','after'=>'')) ?>"><?php forum_name() ?></a><?php
endif;
$last_depth = $depth;
endwhile ?></li>
</ul>
</li>
</ul>
<?php endif; // bb_forums() ?>It should give you reasonably clean indenting of HTML too and is XHTML 1.0 valid. Take out the str_repeat() calls if you don’t care about tidy code.
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