public function get_count( $ticket_id ) {

		if ( ! is_numeric( $ticket_id ) ) {
			return;
		}

		$ticket_post = get_post( $ticket_id );
		if ( empty( $ticket_post ) ) {
			return;
		}

		if ( false === $this->count_cache ) {
			$this->count_cache = $this->real_get_count( $ticket_id );
		}

		return $this->count_cache;
	}