WordPress at a glance
filter is not described

post_type_archive_link filter-hook . WP 3.1.0

Filters the post type archive permalink.

Usage

add_filter( 'post_type_archive_link', 'filter_function_name_9311', 10, 2 );
function filter_function_name_9311( $link, $post_type ){
	// filter...

	return $link;
}
$link(string)
The post type archive permalink.
$post_type(string)
Post type name.

Where the hook is called

get_post_type_archive_link()
wp-includes/link-template.php 1174
return apply_filters( 'post_type_archive_link', $link, $post_type );
wp-includes/link-template.php 1149
return apply_filters( 'post_type_archive_link', $link, $post_type );

Where the hook is used (in WP core)

Does not used.