Make title a link in Genesis breadcrumbs

genesis-breadcrumb-link-current-view.php

<?php
/*
Plugin Name: Make title a link in Genesis breadcrumbs
Plugin URI: https://www.damiencarbery.com/
Description: Make page/post/view title a link to itself in Genesis breadcrumbs. Asked in comment for another post.
Author: Damien Carbery
Version: 0.1
*/

add_filter( 'genesis_single_crumb', 'dcwd_last_crumb', 10, 2 );
add_filter( 'genesis_page_crumb', 'dcwd_last_crumb', 10, 2 );
add_filter( 'genesis_archive_crumb', 'dcwd_last_crumb', 10, 2 );

function dcwd_last_crumb( $crumb, $args ) {
	// Get the title and link to the current page/post/view.etc.
	if ( is_search() ) {
		return $crumb; // Don't handle search pages.
	} elseif ( is_404() ) {
		return $crumb; // Don't handle 404 pages.
	} elseif ( is_page() && ! is_front_page() ) {
		$title = get_the_title();
		$crumb_url = get_permalink();
	} elseif ( is_archive() ) {
		if ( is_category() ) {
			$title = $args['labels']['category'] . single_cat_title( '', false );
			$crumb_url = get_permalink();
		} elseif ( is_tag() ) {
			$title = $args['labels']['tag'] . single_term_title( '', false );
			$crumb_url = get_term_link( get_queried_object() );
		} elseif ( is_tax() ) {
			//$crumb = $this->get_tax_crumb();
		} elseif ( is_year() ) {
			$title = $args[ 'labels' ][ 'date' ] . get_query_var( 'year' );
			$crumb_url = get_year_link( get_query_var( 'year' ) );
		} elseif ( is_month() ) {
			$title = $args[ 'labels' ][ 'date' ] . single_month_title( ' ', false );
			$crumb_url = get_month_link( get_query_var( 'year' ), get_query_var( 'month' ) );
		} elseif ( is_day() ) {
			$title = $args[ 'labels' ][ 'date' ] . get_query_var( 'day' ) . get_the_date( 'S' );
			$crumb_url = get_day_link( get_query_var( 'year' ), get_query_var( 'month' ), get_query_var( 'day' ) );
		} elseif ( is_author() ) {
			$author = get_queried_object();
			$title = $args['labels']['author'] . $author->display_name;
			$crumb_url = get_author_posts_url( $author->ID );
		} elseif ( is_post_type_archive() ) {
			return $crumb; // Don't handle CPT archives.
		}
	} elseif ( is_singular() ) {
		if ( is_attachment() ) {
			return $crumb; // This is actually handled by is_page().
		} elseif ( is_singular( 'post' ) ) {
			$title = get_the_title();
			$crumb_url = get_permalink();
		} else {
			return $crumb; // Default to not handling.
		}
	}

	$link = sprintf( '<span class="breadcrumb-link-wrap" itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem"><a class="breadcrumb-link" href="%s" itemprop="item"><span class="breadcrumb-link-text-wrap" itemprop="name">%s</span></a></span>', $crumb_url, $title );

	// Find the page/post title in $crumb and replace it with the link.
	$title_position = strrpos( $crumb, $title );
	if ( $title_position !== false ) {
		$crumb = substr_replace( $crumb, $link, $title_position, strlen( $title ) );
	}

	return $crumb;
}