Update customer in stripe when email modified in WP

profile_sync_woo_stripe.php

/**
* Update customer in stripe when email modified in WP
**/
add_action( 'profile_update', 'sync_stripe_email_with_woocommerce', 10, 2 );

function sync_stripe_email_with_woocommerce( $user_id, $old_user_data ) {

	if(!class_exists('FKWCS_Gateway_Stripe')) {
		return;
	}
	// Check if the email address has been changed
	$user = get_user_by( 'id', $user_id );
	$new_email = $user->user_email;
	$old_email = $old_user_data->user_email;

	if ( $new_email !== $old_email ) {
		// Fetch the Stripe customer ID from the user's meta data
		$customer = WC()->payment_gateways()->payment_gateways()['fkwcs_stripe']->filter_customer_id( get_user_option( '_fkwcs_customer_id', $user_id ) );
		if ( empty( $customer ) ) {
			$compatibility_keys = \FKWCS\Gateway\Stripe\Helper::get_compatibility_keys( '_fkwcs_customer_id' );
			if ( ! empty( $compatibility_keys ) ) {
				foreach ( $compatibility_keys as $key ) {
					$customer = WC()->payment_gateways()->payment_gateways()['fkwcs_stripe']->filter_customer_id( get_user_option( $key, $user_id ) );
					if ( ! empty( $customer ) ) {
						break;
					}
				}
			}

			if ( empty( $customer ) ) {
				return [];
			}

		}
		if ( ! empty( $customer ) ) {
			$client   = WC()->payment_gateways()->payment_gateways()['fkwcs_stripe']->get_client();
			try {
				$client->customers( 'update', [ $customer, [ 'email' => $new_email ] ] );

			} catch ( Exception $e ) {
				// Handle Stripe API error
				error_log( 'Error updating Stripe email: ' . $e->getMessage() );
			}
		}
	}
}