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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 |
|---|---|
| 21 | <docs>http://backend.userland.com/rss092</docs> |
| 22 | <language><?php bloginfo_rss( 'language' ); ?></language> |
| 23 | |
| 24 | <?php |
| 25 | /** |
| 26 | * Fires at the end of the RSS Feed Header. |
| 27 | * |
| 28 | * @since 2.0.0 |
| 29 | */ |
| 30 | do_action( 'rss_head' ); |
| 31 | ?> |
| 32 | |
| 33 | <?php while (have_posts()) : the_post(); ?> |
| 34 | <item> |
| 35 | <title><?php the_title_rss() ?></title> |
| 36 | <description><![CDATA[<?php the_excerpt_rss() ?>]]></description> |
| 37 | <link><?php the_permalink_rss() ?></link> |
| 38 | <?php |
| 39 | /** |