WP_Customize_Manager::stop_previewing_theme PHP Method

    public function stop_previewing_theme()
    {
        if (!$this->is_preview()) {
            return;
        }
        $this->previewing = false;
        if (!$this->is_theme_active()) {
            remove_filter('template', array($this, 'get_template'));
            remove_filter('stylesheet', array($this, 'get_stylesheet'));
            remove_filter('pre_option_current_theme', array($this, 'current_theme'));
            // @link: https://core.trac.wordpress.org/ticket/20027
            remove_filter('pre_option_stylesheet', array($this, 'get_stylesheet'));
            remove_filter('pre_option_template', array($this, 'get_template'));
            // Handle custom theme roots.
            remove_filter('pre_option_stylesheet_root', array($this, 'get_stylesheet_root'));
            remove_filter('pre_option_template_root', array($this, 'get_template_root'));
        }
        /**
         * Fires once the Customizer theme preview has stopped.
         *
         * @since 3.4.0
         *
         * @param WP_Customize_Manager $this WP_Customize_Manager instance.
         */
        do_action('stop_previewing_theme', $this);
    }