', esc_url( get_bloginfo( 'pingback_url' ) ) ); } } add_action( 'wp_head', 'binsight_pingback_header' ); /** * Limit excerpt to a number of characters * * @param string $excerpt * @return string */ function binsight_short_excerpt($excerpt){ return substr($excerpt, 0, 200); } add_filter('the_excerpt', 'binsight_short_excerpt');