wp_schedule_single_event() test

<?php/*Plugin Name: wp_schedule_single_event() testVersion: 0.1Description: Tests the behaviour of a single event scheduled with wp-cronAuthor: scribuAuthor URI: http://scribu.net*/define('CRON_HOOK', 'cron-test');define('CRON_OPTION', 'added_by_cron');add_action(CRON_HOOK, 'test_cron');wp_clear_scheduled_hook(CRON_HOOK);wp_schedule_single_event(time(), CRON_HOOK);function test_cron() {	$nr = (int) get_option(CRON_OPTION);	update_option(CRON_OPTION, ++$nr);}function debug() {	var_dump(get_option(CRON_OPTION));	echo '<pre>';	print_r(get_option('cron'));	echo '</pre>';}add_action('wp_head', 'debug');