WordPress Version: 4.8
/**
* Determines whether the current request is a WordPress cron request.
*
* @since 4.8.0
*
* @return bool True if it's a WordPress cron request, false otherwise.
*/
function wp_doing_cron()
{
/**
* Filters whether the current request is a WordPress cron request.
*
* @since 4.8.0
*
* @param bool $wp_doing_cron Whether the current request is a WordPress cron request.
*/
return apply_filters('wp_doing_cron', defined('DOING_CRON') && DOING_CRON);
}