public function get_value( $input ) {
		// If the form was posted, get the posted value. This will only tend to happen when JavaScript is disabled client side.
		if ( ! empty( $_POST[ $input ] ) ) { // WPCS: input var ok, CSRF OK.
			return wc_clean( wp_unslash( $_POST[ $input ] ) ); // WPCS: input var ok, CSRF OK.
		}

		// Allow 3rd parties to short circuit the logic and return their own default value.
		$value = apply_filters( 'woocommerce_checkout_get_value', null, $input );

		if ( ! is_null( $value ) ) {
			return $value;
		}

		/**
		 * For logged in customers, pull data from their account rather than the session which may contain incomplete data.
		 * Another reason is that WC sets shipping address to the billing address on the checkout updates unless the
		 * "ship to another address" box is checked. @see issue #20975.
		 */
		$customer_object = false;

		if ( is_user_logged_in() ) {
			// Load customer object, but keep it cached to avoid reloading it multiple times.
			if ( is_null( $this->logged_in_customer ) ) {
				$this->logged_in_customer = new WC_Customer( get_current_user_id(), true );
			}
			$customer_object = $this->logged_in_customer;
		}

		if ( ! $customer_object ) {
			$customer_object = WC()->customer;
		}

		if ( is_callable( array( $customer_object, "get_$input" ) ) ) {
			$value = $customer_object->{"get_$input"}();
		} elseif ( $customer_object->meta_exists( $input ) ) {
			$value = $customer_object->get_meta( $input, true );
		}

		if ( '' === $value ) {
			$value = null;
		}

		return apply_filters( 'default_checkout_' . $input, $value, $input );
	}