public function with_locale( $locale, callable $do, array $args = [] ) {
		global $wp_filter;
		// Backup the current state of the locale filter.
		$locale_filters_backup = isset( $wp_filter['locale'] ) ? $wp_filter['locale'] : new \WP_Hook;
		// Set the `locale` filter to a new hook, nothing is hooked to it.
		$wp_filter['locale'] = new \WP_Hook();

		$force_locale = static function () use ( $locale ) {
			return $locale;
		};

		add_filter( 'locale', $force_locale );
		$result = $do( ...$args );
		remove_filter( 'locale', $force_locale );

		$domains = isset( $args[1] ) ? (array) $args[1] : false;
		if ( false !== $domains ) {
			foreach ( $domains as $domain => $file ) {
				// Reload it with the correct language.
				unload_textdomain( $domain );

				if ( 'default' === $domain ) {
					load_default_textdomain();
				} elseif ( is_string( $file ) ) {
					Common::instance()->load_text_domain( $domain, $file );
				}
			}
		}

		// Restore the `locale` filtering functions.
		$wp_filter['locale'] = $locale_filters_backup;

		return $result;
	}