Source View: category_link

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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
30           $category = &get_category($category_id);
31           $category_nicename = $category->category_nicename;
32
33           if ( $parent = $category->category_parent )
34                $category_nicename = get_category_parents($parent, false, '/', true) . $category_nicename . '/';
35
36           $catlink = str_replace('%category%', $category_nicename, $catlink);
37           $catlink = get_settings('home') . trailingslashit($catlink);
38      }
39      return apply_filters('category_link', $catlink, $category_id);
40 }
41
42 function get_the_category_list($separator = '', $parents='') {
43      $categories = get_the_category();
44      if (empty($categories))
45           return apply_filters('the_category', __('Uncategorized'), $separator, $parents);
46
47      $thelist = '';
48      if ( '' == $separator ) {