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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 |
|---|---|
| 42 | |
| 43 | foreach ( (array)$cats as $cat ) : |
| 44 | $catname = apply_filters('link_category', $cat->name); |
| 45 | |
| 46 | ?> |
| 47 | <outline type="category" title="<?php echo esc_attr($catname); ?>"> |
| 48 | <?php |
| 49 | $bookmarks = get_bookmarks(array("category" => $cat->term_id)); |
| 50 | foreach ( (array)$bookmarks as $bookmark ) : |
| 51 | $title = apply_filters('link_title', $bookmark->link_name); |
| 52 | ?> |
| 53 | <outline text="<?php echo esc_attr($title); ?>" type="link" xmlUrl="<?php echo esc_attr($bookmark->link_rss); ?>" htmlUrl="<?php echo esc_attr($bookmark->link_url); ?>" updated="<?php if ('0000-00-00 00:00:00' != $bookmark->link_updated) echo $bookmark->link_updated; ?>" /> |
| 54 | <?php |
| 55 | endforeach; // $bookmarks |
| 56 | ?> |
| 57 | </outline> |
| 58 | <?php |
| 59 | endforeach; // $cats |
| 60 | ?> |