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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 |
|---|---|
| 34 | <title><?php the_title_rss(); ?></title> |
| 35 | <description><![CDATA[<?php the_excerpt_rss(); ?>]]></description> |
| 36 | <link><?php the_permalink_rss(); ?></link> |
| 37 | <?php |
| 38 | /** |
| 39 | * Fires at the end of each RSS feed item. |
| 40 | * |
| 41 | * @since 2.0.0 |
| 42 | */ |
| 43 | do_action( 'rss_item' ); |
| 44 | ?> |
| 45 | </item> |
| 46 | <?php endwhile; ?> |
| 47 | </channel> |
| 48 | </rss> |
| 49 | |