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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' );