public static function save_account_details() {
		$nonce_value = wc_get_var( $_REQUEST['save-account-details-nonce'], wc_get_var( $_REQUEST['_wpnonce'], '' ) ); // @codingStandardsIgnoreLine.

		if ( ! wp_verify_nonce( $nonce_value, 'save_account_details' ) ) {
			return;
		}

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

		wc_nocache_headers();

		$user_id = get_current_user_id();

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

		$account_first_name   = ! empty( $_POST['account_first_name'] ) ? wc_clean( wp_unslash( $_POST['account_first_name'] ) ) : '';
		$account_last_name    = ! empty( $_POST['account_last_name'] ) ? wc_clean( wp_unslash( $_POST['account_last_name'] ) ) : '';
		$account_display_name = ! empty( $_POST['account_display_name'] ) ? wc_clean( wp_unslash( $_POST['account_display_name'] ) ) : '';
		$account_email        = ! empty( $_POST['account_email'] ) ? wc_clean( wp_unslash( $_POST['account_email'] ) ) : '';
		$pass_cur             = ! empty( $_POST['password_current'] ) ? $_POST['password_current'] : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
		$pass1                = ! empty( $_POST['password_1'] ) ? $_POST['password_1'] : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
		$pass2                = ! empty( $_POST['password_2'] ) ? $_POST['password_2'] : ''; // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
		$save_pass            = true;

		// Current user data.
		$current_user       = get_user_by( 'id', $user_id );
		$current_first_name = $current_user->first_name;
		$current_last_name  = $current_user->last_name;
		$current_email      = $current_user->user_email;

		// New user data.
		$user               = new stdClass();
		$user->ID           = $user_id;
		$user->first_name   = $account_first_name;
		$user->last_name    = $account_last_name;
		$user->display_name = $account_display_name;

		// Prevent display name to be changed to email.
		if ( is_email( $account_display_name ) ) {
			wc_add_notice( __( 'Display name cannot be changed to email address due to privacy concern.', 'woocommerce' ), 'error' );
		}

		// Handle required fields.
		$required_fields = apply_filters(
			'woocommerce_save_account_details_required_fields',
			array(
				'account_first_name'   => __( 'First name', 'woocommerce' ),
				'account_last_name'    => __( 'Last name', 'woocommerce' ),
				'account_display_name' => __( 'Display name', 'woocommerce' ),
				'account_email'        => __( 'Email address', 'woocommerce' ),
			)
		);

		foreach ( $required_fields as $field_key => $field_name ) {
			if ( empty( $_POST[ $field_key ] ) ) {
				/* translators: %s: Field name. */
				wc_add_notice( sprintf( __( '%s is a required field.', 'woocommerce' ), '<strong>' . esc_html( $field_name ) . '</strong>' ), 'error', array( 'id' => $field_key ) );
			}
		}

		if ( $account_email ) {
			$account_email = sanitize_email( $account_email );
			if ( ! is_email( $account_email ) ) {
				wc_add_notice( __( 'Please provide a valid email address.', 'woocommerce' ), 'error' );
			} elseif ( email_exists( $account_email ) && $account_email !== $current_user->user_email ) {
				wc_add_notice( __( 'This email address is already registered.', 'woocommerce' ), 'error' );
			}
			$user->user_email = $account_email;
		}

		if ( ! empty( $pass_cur ) && empty( $pass1 ) && empty( $pass2 ) ) {
			wc_add_notice( __( 'Please fill out all password fields.', 'woocommerce' ), 'error' );
			$save_pass = false;
		} elseif ( ! empty( $pass1 ) && empty( $pass_cur ) ) {
			wc_add_notice( __( 'Please enter your current password.', 'woocommerce' ), 'error' );
			$save_pass = false;
		} elseif ( ! empty( $pass1 ) && empty( $pass2 ) ) {
			wc_add_notice( __( 'Please re-enter your password.', 'woocommerce' ), 'error' );
			$save_pass = false;
		} elseif ( ( ! empty( $pass1 ) || ! empty( $pass2 ) ) && $pass1 !== $pass2 ) {
			wc_add_notice( __( 'New passwords do not match.', 'woocommerce' ), 'error' );
			$save_pass = false;
		} elseif ( ! empty( $pass1 ) && ! wp_check_password( $pass_cur, $current_user->user_pass, $current_user->ID ) ) {
			wc_add_notice( __( 'Your current password is incorrect.', 'woocommerce' ), 'error' );
			$save_pass = false;
		}

		if ( $pass1 && $save_pass ) {
			$user->user_pass = $pass1;
		}

		// Allow plugins to return their own errors.
		$errors = new WP_Error();
		do_action_ref_array( 'woocommerce_save_account_details_errors', array( &$errors, &$user ) );

		if ( $errors->get_error_messages() ) {
			foreach ( $errors->get_error_messages() as $error ) {
				wc_add_notice( $error, 'error' );
			}
		}

		if ( wc_notice_count( 'error' ) === 0 ) {
			wp_update_user( $user );

			// Update customer object to keep data in sync.
			$customer = new WC_Customer( $user->ID );

			if ( $customer ) {
				// Keep billing data in sync if data changed.
				if ( is_email( $user->user_email ) && $current_email !== $user->user_email ) {
					$customer->set_billing_email( $user->user_email );
				}

				if ( $current_first_name !== $user->first_name ) {
					$customer->set_billing_first_name( $user->first_name );
				}

				if ( $current_last_name !== $user->last_name ) {
					$customer->set_billing_last_name( $user->last_name );
				}

				$customer->save();
			}

			wc_add_notice( __( 'Account details changed successfully.', 'woocommerce' ) );

			do_action( 'woocommerce_save_account_details', $user->ID );

			wp_safe_redirect( wc_get_page_permalink( 'myaccount' ) );
			exit;
		}
	}