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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 |
---|---|
1027 | $feed = preg_replace( '/^_+/', '', $feed ); |
1028 |
|
1029 | if ( $feed == '' || $feed == 'feed' ) |
1030 | $feed = get_default_feed(); |
1031 |
|
1032 | $hook = 'do_feed_' . $feed; |
1033 | if ( ! has_action( $hook ) ) |
1034 | wp_die( __( 'ERROR: This is not a valid feed template.' ), '', array( 'response' => 404 ) ); |
1035 |
|
1036 | do_action( $hook, $wp_query->is_comment_feed ); |
1037 | } |
1038 |
|
1039 | /** |
1040 | * Load the RDF RSS 0.91 Feed template. |
1041 | * |
1042 | * @since 2.1.0 |
1043 | */ |
1044 | function do_feed_rdf() { |
1045 | load_template( ABSPATH . WPINC . '/feed-rdf.php' ); |