elds'][ $field_id ]['scheme'] !== 'international' ) {
			$country = 'US';
		}

		return [
			'line1'       => $line,
			'state'       => isset( $submitted_data['state'] ) ? sanitize_text_field( $submitted_data['state'] ) : '',
			'city'        => sanitize_text_field( $submitted_data['city'] ),
			'postal_code' => sanitize_text_field( $submitted_data['postal'] ),
			'country'     => $country,
		];
	}

	/**
	 * Check the submitted payment data whether it was corrupted.
	 * If so, refund a payment / cancel subscription.
	 *
	 * @since 1.8.8.2
	 *
	 * @param array $entry Submitted entry data.
	 *
	 * @return bool
	 */
	private function is_submitted_payment_data_corrupted( array $entry ): bool {

		// Bail early if there are no payment intents.
		if ( empty( $entry['payment_intent_id'] ) ) {
			return false;
		}

		// Get stored corrupted payment intents if exist.
		$corrupted_intents = (array) Transient::get( 'corrupted-stripe-intents' );

		// We must prevent a processing if payment intent was identified as corrupted.
		// Also if the transaction ID exists in DB (transaction ID is unique value).
		if ( in_array( $entry['payment_intent_id'], $corrupted_intents, true ) || wpforms()->obj( 'payment' )->get_by( 'transaction_id', $entry['payment_intent_id'] ) ) {
			wpforms()->obj( 'process' )->errors[ $this->form_id ]['footer'] = esc_html__( 'Secondary form submission was declined.', 'wpforms-lite' );

			return true;
		}

		$intent = $this->api->retrieve_payment_intent(
			$entry['payment_intent_id'],
			[
				'expand' => [ 'invoice.subscription' ],
			]
		);

		// Round to the nearest whole number because $this->amount can contain a number close to,
		// but slightly under it, due to how it is stored in the memory.
		$submitted_amount = round( $this->amount * wpforms_get_currency_multiplier() );

		// Prevent form submission if a mismatch of the payment amount is detected.
		if ( ! empty( $intent ) && (int) $submitted_amount !== (int) $intent->amount ) {
			wpforms()->obj( 'process' )->errors[ $this->form_id ]['footer'] = esc_html__( 'Irregular activity detected. Your submission has been declined and payment refunded.', 'wpforms-lite' );

			$args = [
				'reason' => 'fraudulent',
			];

			// We can't cancel a payment because it's already paid.
			// So we can perform a refund only.
			$this->api->refund_payment( $entry['payment_intent_id'], $args );

			// Cancel subscription if exists.
			if ( ! empty( $intent->invoice->subscription ) ) {
				$this->api->cancel_subscription( $intent->invoice->subscription->id );
			}

			// This payment indent is identified as corrupted.
			// Store it in order to prevent re-using it (form re-submitting).
			if ( ! in_array( $entry['payment_intent_id'], $corrupted_intents, true ) ) {
				$corrupted_intents[] = $entry['payment_intent_id'];

				Transient::set( 'corrupted-stripe-intents', $corrupted_intents, WEEK_IN_SECONDS );
			}

			return true;
		}

		return false;
	}

	/**
	 * Maybe create a subscription schedule if the cycles was set.
	 *
	 * @since 1.9.8
	 *
	 * @param object $subscription Stripe subscription object.
	 */
	private function maybe_set_subscription_schedule( object $subscription ): void {

		if ( empty( $subscription->metadata['cycles'] ) || $subscription->metadata['cycles'] === 'unlimited' || (int) $subscription->metadata['cycles'] < 1 || empty( $subscription->items->data ) ) {
			return;
		}

		try {
			$schedule = SubscriptionSchedule::create(
				[
					'from_subscription' => $subscription->id,
				],
				Helpers::get_auth_opts()
			);

			$subscription_item = $subscription->items->data[0];

			$schedule::update(
				$schedule->id,
				[
					'end_behavior' => 'cancel',
					'phases'       => [
						[
							'start_date' => $subscription_item->current_period_start,
							'items'      => [
								[
									'plan' => $subscription_item->plan->id,
								],
							],
							'iterations' => $subscription->metadata['cycles'],
						],
					],
				],
				Helpers::get_auth_opts()
			);
		} catch ( \Exception $e ) {

			wpforms_log(
				'Stripe: Unable to create Subscription Schedule.',
				$e->getMessage(),
				[
					'type' => [ 'payment', 'error' ],
				]
			);
		}
	}
}