WordPress at a glance
filter is not described

wp_die_handler filter-hook . WP 3.0.0

Filters the callback for killing WordPress execution for all non-Ajax, non-XML-RPC requests.

Usage

add_filter( 'wp_die_handler', 'filter_function_name_5077' );
function filter_function_name_5077( $function ){
	// filter...

	return $function;
}
$function(callable)
Callback function name.

Where the hook is called

wp_die()
wp-includes/functions.php 2746
$function = apply_filters( 'wp_die_handler', '_default_wp_die_handler' );

Where the hook is used (in WP core)

Does not used.