if ( ! function_exists( 'main_setup' ) ) : function main_setup() { /** * Enable support for Post Thumbnails on posts and pages. * @link //developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/ */ add_theme_support( 'post-thumbnails' ); } endif; add_action( 'after_setup_theme', 'main_setup' ); ?>