WP_Customize_Custom_CSS_Setting::preview() WordPress Method

The WP_Customize_Custom_CSS_Setting::preview() method is responsible for previewing the changes made to the custom CSS code for a WordPress site. This is done by updating the Custom CSS code in the WordPress Customizer with the new changes and then calling the refresh method on the WP_Customize_Manager instance.

WP_Customize_Custom_CSS_Setting::preview() #

	public function preview() {
		if ( $this->is_previewed ) {
			return false;
		}
		$this->is_previewed = true;
		add_filter( 'wp_get_custom_css', array( $this, 'filter_previewed_wp_get_custom_css' ), 9, 2 );
		return true;
	}