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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 |
|---|---|
| 36 | <id><?php bloginfo('atom_url'); ?></id> |
| 37 | <link rel="self" type="application/atom+xml" href="<?php self_link(); ?>" /> |
| 38 | |
| 39 | <?php |
| 40 | /** |
| 41 | * Fires just before the first Atom feed entry. |
| 42 | * |
| 43 | * @since 2.0.0 |
| 44 | */ |
| 45 | do_action( 'atom_head' ); |
| 46 | |
| 47 | while ( have_posts() ) : the_post(); |
| 48 | ?> |
| 49 | <entry> |
| 50 | <author> |
| 51 | <name><?php the_author() ?></name> |
| 52 | <?php $author_url = get_the_author_meta('url'); if ( !empty($author_url) ) : ?> |
| 53 | <uri><?php the_author_meta('url')?></uri> |
| 54 | <?php endif; |