MT | TEC | Get amount of WooCommerce Tickets sold

tribe_events_count_sold_tickets.php

<?php

/*
 * Gets the amount of tickets sold for an event, currently only works with WooCommerce Tickets
 */
if ( !function_exists('tribe_events_count_sold_tickets') ) {
	function tribe_events_count_sold_tickets ( $event = null ) {
		$count = 0;

		if ( null === $event = tribe_events_get_event( $event ) || !class_exists('TribeEventsTickets') ) {
			return 0;
		}

		foreach ( TribeEventsTickets::get_all_event_tickets( $event->ID ) as $ticket ) {
			$count += get_post_meta( $ticket->ID, 'total_sales', true );
		}

		return $count;
	}
}