get_feed_build_date filter-hook . WP 5.2.0

Filters the date the last post or comment in the query was modified.

Usage

add_filter( 'get_feed_build_date', 'filter_function_name_6931', 10, 2 );
function filter_function_name_6931( $max_modified_time, $format ){
	// filter...

	return $max_modified_time;
}

$max_modified_time(string)

Date the last post or comment was modified in the query.

$format(string)

The date format requested in get_feed_build_date.

Where the hook is called

return apply_filters( 'get_feed_build_date', $max_modified_time, $format );

Where the hook is used (in WP core)