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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 |
|---|---|
| 1622 | * - `do_feed_rss` |
| 1623 | * - `do_feed_rss2` |
| 1624 | * |
| 1625 | * @since 2.1.0 |
| 1626 | * @since 4.4.0 The `$feed` parameter was added. |
| 1627 | * |
| 1628 | * @param bool $is_comment_feed Whether the feed is a comment feed. |
| 1629 | * @param string $feed The feed name. |
| 1630 | */ |
| 1631 | do_action( "do_feed_{$feed}", $wp_query->is_comment_feed, $feed ); |
| 1632 | } |
| 1633 | |
| 1634 | /** |
| 1635 | * Loads the RDF RSS 0.91 Feed template. |
| 1636 | * |
| 1637 | * @since 2.1.0 |
| 1638 | * |
| 1639 | * @see load_template() |
| 1640 | */ |