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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 1469 | if ( $feed == '' || $feed == 'feed' ) |
| 1470 | $feed = get_default_feed(); |
| 1471 | |
| 1472 | $hook = 'do_feed_' . $feed; |
| 1473 | if ( !has_action($hook) ) { |
| 1474 | $message = sprintf( __( 'ERROR: %s is not a valid feed template' ), wp_specialchars($feed)); |
| 1475 | wp_die($message); |
| 1476 | } |
| 1477 | |
| 1478 | do_action( $hook, $wp_query->is_comment_feed ); |
| 1479 | } |
| 1480 | |
| 1481 | /** |
| 1482 | * Load the RDF RSS 0.91 Feed template. |
| 1483 | * |
| 1484 | * @since 2.1.0 |
| 1485 | */ |
| 1486 | function do_feed_rdf() { |
| 1487 | load_template( ABSPATH . WPINC . '/feed-rdf.php' ); |