WordPress at Your Fingertips
filter is not described

rss_update_frequency filter-hook . WP 1.0

This filter is documented in wp-includes/feed-rss2.php


add_filter( 'rss_update_frequency', 'filter_function_name_9259' );
function filter_function_name_9259( $string ){
	// filter...

	return $string;

Where the hook is called

In file: /wp-includes/feed-rss2-comments.php
wp-includes/feed-rss2-comments.php 62
echo apply_filters( 'rss_update_frequency', '1' );
wp-includes/feed-rdf.php 46
echo apply_filters( 'rss_update_frequency', '1' );
wp-includes/feed-rss2.php 74
echo apply_filters( 'rss_update_frequency', $frequency );

Where in WP core the hook is used WordPress

Usage not found.