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Source View: wp_list_categories

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
323           else
324                $depth = -1; // Flat.
325
326           $output .= walk_category_tree($categories, $depth, $r);
327      }
328
329      if ( $title_li && 'list' == $style )
330           $output .= '</ul></li>';
331
332      $output = apply_filters('wp_list_categories', $output);
333
334      if ( $echo )
335           echo $output;
336      else
337           return $output;
338 }
339
340 function wp_tag_cloud( $args = '' ) {
341      $defaults = array(