wp_feed_cache_transient_lifetime filter-hook . WP 2.8.0

Filters the transient lifetime of the feed cache.

Usage

add_filter( 'wp_feed_cache_transient_lifetime', 'filter_function_name_4651', 10, 2 );
function filter_function_name_4651( $lifetime, $filename ){
	// filter...

	return $lifetime;
}

$lifetime(int)

Cache duration in seconds.
Default: 43200 seconds (12 hours)

$filename(string)

Unique identifier for the cache object.

Where the hook is called

$this->lifetime = apply_filters( 'wp_feed_cache_transient_lifetime', $lifetime, $filename);

$feed->set_cache_duration( apply_filters( 'wp_feed_cache_transient_lifetime', 12 * HOUR_IN_SECONDS, $url ) );

Where the hook is used (in WP core)