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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )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.
| Line | Code |
|---|---|
| 205 | //Split the bookmarks into ul's for each category |
| 206 | $cats = get_terms('link_category', array('name__like' => $category_name, 'include' => $category, 'exclude' => $exclude_category, 'orderby' => $category_orderby, 'order' => $category_order, 'hierarchical' => 0)); |
| 207 | |
| 208 | foreach ( (array) $cats as $cat ) { |
| 209 | $params = array_merge($r, array('category'=>$cat->term_id)); |
| 210 | $bookmarks = get_bookmarks($params); |
| 211 | if ( empty($bookmarks) ) |
| 212 | continue; |
| 213 | $output .= str_replace(array('%id', '%class'), array("linkcat-$cat->term_id", $class), $category_before); |
| 214 | $catname = apply_filters( "link_category", $cat->name ); |
| 215 | $output .= "$title_before$catname$title_after\n\t<ul class='xoxo blogroll'>\n"; |
| 216 | $output .= _walk_bookmarks($bookmarks, $r); |
| 217 | $output .= "\n\t</ul>\n$category_after\n"; |
| 218 | } |
| 219 | } else { |
| 220 | //output one single list using title_li for the title |
| 221 | $bookmarks = get_bookmarks($r); |
| 222 | |
| 223 | if ( !empty($bookmarks) ) { |