49 lines
1.2 KiB
PHP
49 lines
1.2 KiB
PHP
<?php
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/**
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* Custom functions that act independently of the theme templates
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*
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* Eventually, some of the functionality here could be replaced by core features
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*
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* @package Button 2
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*/
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/**
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* Adds custom classes to the array of body classes.
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*
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* @param array $classes Classes for the body element.
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* @return array
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*/
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function button_2_body_classes( $classes ) {
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// Adds a class of group-blog to blogs with more than 1 published author.
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if ( is_multi_author() ) {
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$classes[] = 'group-blog';
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}
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if ( ! is_active_sidebar( 'sidebar-1' ) && ! has_nav_menu( 'jetpack-social-menu' ) ) {
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$classes[] = 'no-sidebar';
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}
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$bgimage = get_background_image();
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$bgimage = basename( $bgimage ); //Get the background's filename
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if ( 'buttonbg20170303.png' !== $bgimage ) {
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//If not using the default background, apply a special body class
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$classes[] = 'user-background';
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}
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return $classes;
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}
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add_filter( 'body_class', 'button_2_body_classes' );
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/**
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* Add a pingback url auto-discovery header for singularly identifiable articles.
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*/
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function button_2_pingback_header() {
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if ( is_singular() && pings_open() ) {
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echo '<link rel="pingback" href="', esc_url( get_bloginfo( 'pingback_url' ) ), '">';
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}
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}
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add_action( 'wp_head', 'button_2_pingback_header' );
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