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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 |
|---|---|
| 46 | |
| 47 | foreach ( (array)$cats as $cat ) : |
| 48 | /** |
| 49 | * Filter the OPML outline link category name. |
| 50 | * |
| 51 | * @since 2.2.0 |
| 52 | * |
| 53 | * @param string $catname The OPML outline category name. |
| 54 | */ |
| 55 | $catname = apply_filters( 'link_category', $cat->name ); |
| 56 | |
| 57 | ?> |
| 58 | <outline type="category" title="<?php echo esc_attr($catname); ?>"> |
| 59 | <?php |
| 60 | $bookmarks = get_bookmarks(array("category" => $cat->term_id)); |
| 61 | foreach ( (array)$bookmarks as $bookmark ) : |
| 62 | /** |
| 63 | * Filter the OPML outline link title text. |
| 64 | * |