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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 |
---|---|
1576 | * - `do_feed_rss` |
1577 | * - `do_feed_rss2` |
1578 | * |
1579 | * @since 2.1.0 |
1580 | * @since 4.4.0 The `$feed` parameter was added. |
1581 | * |
1582 | * @param bool $is_comment_feed Whether the feed is a comment feed. |
1583 | * @param string $feed The feed name. |
1584 | */ |
1585 | do_action( "do_feed_{$feed}", $wp_query->is_comment_feed, $feed ); |
1586 | } |
1587 |
|
1588 | /** |
1589 | * Load the RDF RSS 0.91 Feed template. |
1590 | * |
1591 | * @since 2.1.0 |
1592 | * |
1593 | * @see load_template() |
1594 | */ |