In this example, we’ll use the is_user_logged_in() to display a different theme on our website for visitors: if(is_user_logged_in()) { function wpxss_set_my_custom_theme() { //replace your theme name here return ‘your-theme-name’; } add_filter( ‘template’, ‘wpxss_set_my_custom_theme’ ); add_filter( ‘stylesheet’, ‘wpxss_set_my_custom_theme’ ); } else { // leave the default theme active for visitors } The template and stylesheet filters are responsible to select the activated … Read full article →