<?php /** * Custom functions that act independently of the theme templates. * * Eventually, some of the functionality here could be replaced by core features. * * @package understrap */ add_filter( 'body_class', 'understrap_body_classes' ); if ( ! function_exists( 'understrap_body_classes' ) ) { /** * Adds custom classes to the array of body classes. * * @param array $classes Classes for the body element. * * @return array */ function understrap_body_classes( $classes ) { // Adds a class of group-blog to blogs with more than 1 published author. if ( is_multi_author() ) { $classes[] = 'group-blog'; } // Adds a class of hfeed to non-singular pages. if ( ! is_singular() ) { $classes[] = 'hfeed'; } return $classes; } } // Removes tag class from the body_class array to avoid Bootstrap markup styling issues. add_filter( 'body_class', 'understrap_adjust_body_class' ); if ( ! function_exists( 'understrap_adjust_body_class' ) ) { /** * Setup body classes. * * @param string $classes CSS classes. * * @return mixed */ function understrap_adjust_body_class( $classes ) { foreach ( $classes as $key => $value ) { if ( 'tag' == $value ) { unset( $classes[ $key ] ); } } return $classes; } } // Filter custom logo with correct classes. add_filter( 'get_custom_logo', 'understrap_change_logo_class' ); if ( ! function_exists( 'understrap_change_logo_class' ) ) { /** * Replaces logo CSS class. * * @param string $html Markup. * * @return mixed */ function understrap_change_logo_class( $html ) { $html = str_replace( 'class="custom-logo"', 'class="img-fluid"', $html ); $html = str_replace( 'class="custom-logo-link"', 'class="navbar-brand custom-logo-link"', $html ); $html = str_replace( 'alt=""', 'title="Home" alt="logo"' , $html ); return $html; } } /** * Display navigation to next/previous post when applicable. */ if ( ! function_exists ( 'understrap_post_nav' ) ) { function understrap_post_nav() { // Don't print empty markup if there's nowhere to navigate. $previous = ( is_attachment() ) ? get_post( get_post()->post_parent ) : get_adjacent_post( false, '', true ); $next = get_adjacent_post( false, '', false ); if ( ! $next && ! $previous ) { return; } ?> <nav class="container navigation post-navigation"> <h2 class="sr-only"><?php _e( 'Post navigation', 'understrap' ); ?></h2> <div class="row nav-links justify-content-between"> <?php if ( get_previous_post_link() ) { previous_post_link( '<span class="nav-previous">%link</span>', _x( '<i class="fa fa-angle-left"></i> %title', 'Previous post link', 'understrap' ) ); } if ( get_next_post_link() ) { next_post_link( '<span class="nav-next">%link</span>', _x( '%title <i class="fa fa-angle-right"></i>', 'Next post link', 'understrap' ) ); } ?> </div><!-- .nav-links --> </nav><!-- .navigation --> <?php } }