<?php /** * Functions which enhance the theme by hooking into WordPress * * @package _s */ /** * Adds custom classes to the array of body classes. * * @param array $classes Classes for the body element. * @return array */ function _s_body_classes( $classes ) { // Adds a class of hfeed to non-singular pages. if ( ! is_singular() ) { $classes[] = 'hfeed'; } return $classes; } add_filter( 'body_class', '_s_body_classes' ); /** * Add a pingback url auto-discovery header for singularly identifiable articles. */ function _s_pingback_header() { if ( is_singular() && pings_open() ) { echo '<link rel="pingback" href="', esc_url( get_bloginfo( 'pingback_url' ) ), '">'; } } add_action( 'wp_head', '_s_pingback_header' );