shutdown action-hook . WP 1.2.0

Fires just before PHP shuts down execution.

Usage

add_action( 'shutdown', 'action_function_name_1539' );
function action_function_name_1539(){
	// action...
}

Changelog

Where the hook is called

do_action( 'shutdown' );

Where in WP core the hook is used WordPress

add_action( 'shutdown', 'wp_ob_end_flush_all', 1 );