public function commerce_get_tickets_in_cart( $tickets = [] ) {
		try {
			$wc = WC();

			// If the cart is null, we need to bail to prevent any "Call to a member function on null" errors
			if ( is_null( $wc->cart ) ) {
				wc_load_cart();

				// API requests need extra things available for the cart.
				if ( $wc->is_rest_api_request() ) {
					$wc->frontend_includes();

					$cart_session = new WC_Cart_Session( $wc->cart );
					$cart_session->maybe_set_cart_cookies();
				}
			}

			$contents = $wc->cart->get_cart_contents();
		} catch ( Exception $exception ) {
			return $tickets;
		}

		if ( empty( $contents ) ) {
			return $tickets;
		}

		/** @var \Tribe__Tickets_Plus__Commerce__WooCommerce__Main $commerce_woo */
		$commerce_woo = tribe( 'tickets-plus.commerce.woo' );

		$event_key  = $commerce_woo->event_key;
		$optout_key = $commerce_woo->attendee_optout_key;

		foreach ( $contents as $item ) {
			$ticket_id       = $item['product_id'];
			$ticket_quantity = $item['quantity'];
			$optout          = false;

			if ( isset( $item[ $optout_key ] ) ) {
				$optout = $item[ $optout_key ];
			}

			$post_id = (int) get_post_meta( $ticket_id, $event_key, true );

			if ( empty( $post_id ) ) {
				continue;
			}

			$optout = filter_var( $optout, FILTER_VALIDATE_BOOLEAN );
			$optout = $optout ? 'yes' : 'no';

			$tickets[] = [
				'ticket_id' => $ticket_id,
				'quantity'  => $ticket_quantity,
				'post_id'   => $post_id,
				'optout'    => $optout,
				'provider'  => 'woo',
			];
		}

		/**
		 * Allows for filtering the returned tickets for easier third-party plugin compatibility.
		 *
		 * @since 4.10.8
		 *
		 * @param array $tickets  List of tickets currently in the cart.
		 * @param array $contents The WooCommerce cart contents.
		 */
		return apply_filters( 'tribe_tickets_plus_woocommerce_tickets_in_cart', $tickets, $contents );
	}