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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 |
|---|---|
| 14 | xmlns:thr="http://purl.org/syndication/thread/1.0" |
| 15 | xml:lang="<?php bloginfo_rss( 'language' ); ?>" |
| 16 | xml:base="<?php bloginfo_rss('url') ?>/wp-atom.php" |
| 17 | <?php |
| 18 | /** |
| 19 | * Fires at end of the Atom feed root to add namespaces. |
| 20 | * |
| 21 | * @since 2.0.0 |
| 22 | */ |
| 23 | do_action( 'atom_ns' ); |
| 24 | ?> |
| 25 | > |
| 26 | <title type="text"><?php bloginfo_rss('name'); wp_title_rss(); ?></title> |
| 27 | <subtitle type="text"><?php bloginfo_rss("description") ?></subtitle> |
| 28 | |
| 29 | <updated><?php echo mysql2date('Y-m-d\TH:i:s\Z', get_lastpostmodified('GMT'), false); ?></updated> |
| 30 | |
| 31 | <link rel="alternate" type="<?php bloginfo_rss('html_type'); ?>" href="<?php bloginfo_rss('url') ?>" /> |
| 32 | <id><?php bloginfo('atom_url'); ?></id> |