public static function save_address() {
		global $wp;

		$nonce_value = wc_get_var( $_REQUEST['woocommerce-edit-address-nonce'], wc_get_var( $_REQUEST['_wpnonce'], '' ) ); // @codingStandardsIgnoreLine.

		if ( ! wp_verify_nonce( $nonce_value, 'woocommerce-edit_address' ) ) {
			return;
		}

		if ( empty( $_POST['action'] ) || 'edit_address' !== $_POST['action'] ) {
			return;
		}

		wc_nocache_headers();

		$user_id = get_current_user_id();

		if ( $user_id <= 0 ) {
			return;
		}

		$customer = new WC_Customer( $user_id );

		if ( ! $customer ) {
			return;
		}

		$load_address = isset( $wp->query_vars['edit-address'] ) ? wc_edit_address_i18n( sanitize_title( $wp->query_vars['edit-address'] ), true ) : 'billing';

		if ( ! isset( $_POST[ $load_address . '_country' ] ) ) {
			return;
		}

		$address = WC()->countries->get_address_fields( wc_clean( wp_unslash( $_POST[ $load_address . '_country' ] ) ), $load_address . '_' );

		foreach ( $address as $key => $field ) {
			if ( ! isset( $field['type'] ) ) {
				$field['type'] = 'text';
			}

			// Get Value.
			if ( 'checkbox' === $field['type'] ) {
				$value = (int) isset( $_POST[ $key ] );
			} else {
				$value = isset( $_POST[ $key ] ) ? wc_clean( wp_unslash( $_POST[ $key ] ) ) : '';
			}

			// Hook to allow modification of value.
			$value = apply_filters( 'woocommerce_process_myaccount_field_' . $key, $value );

			// Validation: Required fields.
			if ( ! empty( $field['required'] ) && empty( $value ) ) {
				/* translators: %s: Field name. */
				wc_add_notice( sprintf( __( '%s is a required field.', 'woocommerce' ), $field['label'] ), 'error', array( 'id' => $key ) );
			}

			if ( ! empty( $value ) ) {
				// Validation and formatting rules.
				if ( ! empty( $field['validate'] ) && is_array( $field['validate'] ) ) {
					foreach ( $field['validate'] as $rule ) {
						switch ( $rule ) {
							case 'postcode':
								$country = wc_clean( wp_unslash( $_POST[ $load_address . '_country' ] ) );
								$value   = wc_format_postcode( $value, $country );

								if ( '' !== $value && ! WC_Validation::is_postcode( $value, $country ) ) {
									switch ( $country ) {
										case 'IE':
											$postcode_validation_notice = __( 'Please enter a valid Eircode.', 'woocommerce' );
											break;
										default:
											$postcode_validation_notice = __( 'Please enter a valid postcode / ZIP.', 'woocommerce' );
									}
									wc_add_notice( $postcode_validation_notice, 'error' );
								}
								break;
							case 'phone':
								if ( '' !== $value && ! WC_Validation::is_phone( $value ) ) {
									/* translators: %s: Phone number. */
									wc_add_notice( sprintf( __( '%s is not a valid phone number.', 'woocommerce' ), '<strong>' . $field['label'] . '</strong>' ), 'error' );
								}
								break;
							case 'email':
								$value = strtolower( $value );

								if ( ! is_email( $value ) ) {
									/* translators: %s: Email address. */
									wc_add_notice( sprintf( __( '%s is not a valid email address.', 'woocommerce' ), '<strong>' . $field['label'] . '</strong>' ), 'error' );
								}
								break;
						}
					}
				}
			}

			try {
				// Set prop in customer object.
				if ( is_callable( array( $customer, "set_$key" ) ) ) {
					$customer->{"set_$key"}( $value );
				} else {
					$customer->update_meta_data( $key, $value );
				}
			} catch ( WC_Data_Exception $e ) {
				// Set notices. Ignore invalid billing email, since is already validated.
				if ( 'customer_invalid_billing_email' !== $e->getErrorCode() ) {
					wc_add_notice( $e->getMessage(), 'error' );
				}
			}
		}

		/**
		 * Hook: woocommerce_after_save_address_validation.
		 *
		 * Allow developers to add custom validation logic and throw an error to prevent save.
		 *
		 * @param int         $user_id User ID being saved.
		 * @param string      $load_address Type of address e.g. billing or shipping.
		 * @param array       $address The address fields.
		 * @param WC_Customer $customer The customer object being saved. @since 3.6.0
		 */
		do_action( 'woocommerce_after_save_address_validation', $user_id, $load_address, $address, $customer );

		if ( 0 < wc_notice_count( 'error' ) ) {
			return;
		}

		$customer->save();

		wc_add_notice( __( 'Address changed successfully.', 'woocommerce' ) );

		do_action( 'woocommerce_customer_save_address', $user_id, $load_address );

		wp_safe_redirect( wc_get_endpoint_url( 'edit-address', '', wc_get_page_permalink( 'myaccount' ) ) );
		exit;
	}