public function wc_setup_payment_save() {
		check_admin_referer( 'wc-setup' );

		if (
			(
				// Install WooCommerce Services with Stripe to enable deferred account creation.
				! empty( $_POST['wc-wizard-service-stripe-enabled'] ) && // WPCS: CSRF ok, input var ok.
				! empty( $_POST['stripe_create_account'] ) // WPCS: CSRF ok, input var ok.
			) || (
				// Install WooCommerce Services with PayPal EC to enable proxied payments.
				! empty( $_POST['wc-wizard-service-ppec_paypal-enabled'] ) && // WPCS: CSRF ok, input var ok.
				! empty( $_POST['ppec_paypal_reroute_requests'] ) // WPCS: CSRF ok, input var ok.
			)
		) {
			$this->install_woocommerce_services();
		}

		$gateways = array_merge( $this->get_wizard_in_cart_payment_gateways(), $this->get_wizard_manual_payment_gateways() );

		foreach ( $gateways as $gateway_id => $gateway ) {
			// If repo-slug is defined, download and install plugin from .org.
			if ( ! empty( $gateway['repo-slug'] ) && ! empty( $_POST[ 'wc-wizard-service-' . $gateway_id . '-enabled' ] ) ) { // WPCS: CSRF ok, input var ok.
				$this->install_plugin( $gateway_id, $gateway );
			}

			$settings = array( 'enabled' => ! empty( $_POST[ 'wc-wizard-service-' . $gateway_id . '-enabled' ] ) ? 'yes' : 'no' );  // WPCS: CSRF ok, input var ok.

			// @codingStandardsIgnoreStart
			if ( ! empty( $gateway['settings'] ) ) {
				foreach ( $gateway['settings'] as $setting_id => $setting ) {
					$settings[ $setting_id ] = 'yes' === $settings['enabled'] && isset( $_POST[ $gateway_id . '_' . $setting_id ] )
						? wc_clean( wp_unslash( $_POST[ $gateway_id . '_' . $setting_id ] ) )
						: false;
				}
			}
			// @codingStandardsIgnoreSEnd

			if ( 'ppec_paypal' === $gateway_id && empty( $settings['reroute_requests'] ) ) {
				unset( $settings['enabled'] );
			}

			$settings_key = 'woocommerce_' . $gateway_id . '_settings';
			$previously_saved_settings = array_filter( (array) get_option( $settings_key, array() ) );
			update_option( $settings_key, array_merge( $previously_saved_settings, $settings ) );
		}

		wp_redirect( esc_url_raw( $this->get_next_step_link() ) );
		exit;
	}