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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 |
|---|---|
| 18 | <docs>http://backend.userland.com/rss092</docs> |
| 19 | <language><?php echo get_option('rss_language'); ?></language> |
| 20 | <?php do_action('rss_head'); ?> |
| 21 | |
| 22 | <?php while (have_posts()) : the_post(); ?> |
| 23 | <item> |
| 24 | <title><?php the_title_rss() ?></title> |
| 25 | <description><![CDATA[<?php the_excerpt_rss() ?>]]></description> |
| 26 | <link><?php the_permalink_rss() ?></link> |
| 27 | <?php do_action('rss_item'); ?> |
| 28 | </item> |
| 29 | <?php endwhile; ?> |
| 30 | </channel> |
| 31 | </rss> |
| 32 | |