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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 |
|---|---|
| 8 | header('Content-type: application/atom+xml; charset=' . get_settings('blog_charset'), true); |
| 9 | $more = 1; |
| 10 | |
| 11 | ?> |
| 12 | <?php echo '<?xml version="1.0" encoding="'.get_settings('blog_charset').'"?'.'>'; ?> |
| 13 | <feed version="0.3" |
| 14 | xmlns="http://purl.org/atom/ns#" |
| 15 | xmlns:dc="http://purl.org/dc/elements/1.1/" |
| 16 | xml:lang="<?php echo get_option('rss_language'); ?>" |
| 17 | <?php do_action('atom_ns'); ?> |
| 18 | > |
| 19 | <title><?php bloginfo_rss('name') ?></title> |
| 20 | <link rel="alternate" type="text/html" href="<?php bloginfo_rss('home') ?>" /> |
| 21 | <tagline><?php bloginfo_rss("description") ?></tagline> |
| 22 | <modified><?php echo mysql2date('Y-m-d\TH:i:s\Z', get_lastpostmodified('GMT'), false); ?></modified> |
| 23 | <copyright>Copyright <?php echo mysql2date('Y', get_lastpostdate('blog'), 0); ?></copyright> |
| 24 | <generator url="http://wordpress.org/" version="<?php bloginfo_rss('version'); ?>">WordPress</generator> |
| 25 | <?php do_action('atom_head'); ?> |
| 26 | <?php $items_count = 0; if ($posts) { foreach ($posts as $post) { start_wp(); ?> |