WordPress at a glance
filter is not described

page_rewrite_rules filter-hook . WP 1.5.0

Filters rewrite rules used for "page" post type archives.

Usage

add_filter( 'page_rewrite_rules', 'filter_function_name_5575' );
function filter_function_name_5575( $page_rewrite ){
	// filter...

	return $page_rewrite;
}
$page_rewrite(array)
The rewrite rules for the "page" post type.

Where the hook is called

WP_Rewrite::rewrite_rules()
page_rewrite_rules
wp-includes/class-wp-rewrite.php 1343
$page_rewrite = apply_filters( 'page_rewrite_rules', $page_rewrite );

Where the hook is used (in WP core)

Does not used.