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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 |
|---|---|
| 58 | 'taxonomy' => 'link_category', |
| 59 | 'hierarchical' => 0, |
| 60 | 'include' => $link_cat, |
| 61 | ) |
| 62 | ); |
| 63 | } |
| 64 | |
| 65 | foreach ( (array) $cats as $cat ) : |
| 66 | /** This filter is documented in wp-includes/bookmark-template.php */ |
| 67 | $catname = apply_filters( 'link_category', $cat->name ); |
| 68 | |
| 69 | ?> |
| 70 | <outline type="category" title="<?php echo esc_attr( $catname ); ?>"> |
| 71 | <?php |
| 72 | $bookmarks = get_bookmarks( array( 'category' => $cat->term_id ) ); |
| 73 | foreach ( (array) $bookmarks as $bookmark ) : |
| 74 | /** |
| 75 | * Filters the OPML outline link title text. |
| 76 | * |