WordPress at a glance
filter is not described

wp_doing_cron filter-hook . WP 4.8.0

Filters whether the current request is a WordPress cron request.

Usage

add_filter( 'wp_doing_cron', 'filter_function_name_2447' );
function filter_function_name_2447( $wp_doing_cron ){
	// filter...

	return $wp_doing_cron;
}
$wp_doing_cron(true/false)
Whether the current request is a WordPress cron request.

Where the hook is called

wp_doing_cron()
wp-includes/load.php 1090
return apply_filters( 'wp_doing_cron', defined( 'DOING_CRON' ) && DOING_CRON );

Where the hook is used (in WP core)

Does not used.