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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 |
|---|---|
| 63 | $bookmarks = get_bookmarks(array("category" => $cat->term_id)); |
| 64 | foreach ( (array)$bookmarks as $bookmark ) : |
| 65 | /** |
| 66 | * Filters the OPML outline link title text. |
| 67 | * |
| 68 | * @since 2.2.0 |
| 69 | * |
| 70 | * @param string $title The OPML outline title text. |
| 71 | */ |
| 72 | $title = apply_filters( 'link_title', $bookmark->link_name ); |
| 73 | ?> |
| 74 | <outline text="<?php echo esc_attr($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; ?>" /> |
| 75 | <?php |
| 76 | endforeach; // $bookmarks |
| 77 | ?> |
| 78 | </outline> |
| 79 | <?php |
| 80 | endforeach; // $cats |
| 81 | ?> |