get_registered_theme_features

WordPress Version: 5.5

/**
 * Gets the list of registered theme features.
 *
 * @since 5.5.0
 *
 * @global array $_wp_registered_theme_features
 *
 * @return array[] List of theme features, keyed by their name.
 */
function get_registered_theme_features()
{
    global $_wp_registered_theme_features;
    if (!is_array($_wp_registered_theme_features)) {
        return array();
    }
    return $_wp_registered_theme_features;
}