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<?php /** * Functions which enhance the theme by hooking into WordPress * * @package PopularFX */ /** * Adds custom classes to the array of body classes. * * @param array $classes Classes for the body element. * @return array */ function popularfx_body_classes( $classes ) { // Adds a class of hfeed to non-singular pages. if ( ! is_singular() ) { $classes[] = 'hfeed'; } // Adds a class of no-sidebar when there is no sidebar present. if ( ! is_active_sidebar( 'sidebar-1' ) ) { $classes[] = 'no-sidebar'; } return $classes; } add_filter( 'body_class', 'popularfx_body_classes' ); /** * Add a pingback url auto-discovery header for single posts, pages, or attachments. */ function popularfx_pingback_header() { if ( is_singular() && pings_open() ) { printf( '<link rel="pingback" href="%s">', esc_url( get_bloginfo( 'pingback_url' ) ) ); } } add_action( 'wp_head', 'popularfx_pingback_header' );