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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 |
|---|---|
| 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 | * |
| 77 | * @since 2.2.0 |
| 78 | * |
| 79 | * @param string $title The OPML outline title text. |
| 80 | */ |
| 81 | $title = apply_filters( 'link_title', $bookmark->link_name ); |
| 82 | ?> |
| 83 | <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=" |
| 84 | <?php |
| 85 | if ( '0000-00-00 00:00:00' != $bookmark->link_updated ) { |
| 86 | echo $bookmark->link_updated;} |
| 87 | ?> |
| 88 | " /> |
| 89 | <?php |
| 90 | endforeach; // $bookmarks |