WordPress at a glance
filter is not described

day_link filter-hook . WP 1.5.0

Filters the day archive permalink.


add_filter( 'day_link', 'filter_function_name_6350', 10, 4 );
function filter_function_name_6350( $daylink, $year, $month, $day ){
	// filter...

	return $daylink;
Permalink for the day archive.
Year for the archive.
Month for the archive.
The day for the archive.

Where the hook is called

wp-includes/link-template.php 578
return apply_filters( 'day_link', $daylink, $year, $month, $day );

Where the hook is used (in WP core)

Does not used.