Example of how to customize the Yoast SEO breadcrumbs #yoast #plugin #wordpress

wordpress_yoast_seo_breadcrumb_append_blog_link_on_category_archive.php

<?php
/*
 * Add blog link on category archive page to the Yoast SEO breadcrumbs
 * Credit: https://gist.github.com/amboutwe/ea0791e184668a5c7bd7bbe357c598e9#file-yoast_seo_breadcrumb_append_link-php
 * Last Tested: May 10 2022 using Yoast SEO 18.8 on WordPress 5.9.3
 */

add_filter( 'wpseo_breadcrumb_links', 'yoast_seo_breadcrumb_add_blog_link' );

function yoast_seo_breadcrumb_add_blog_link( $links ) {

	//get global post informations
	global $post;

	//get the blog page informations
	$blogPage__id = get_option( 'page_for_posts' ); 
	$blogPage__title = get_the_title($blogPage__id); 
	$blogPage__permalink = get_permalink($blogPage__id); 

	//add blog link only if post for category archive page
	if ( is_category() && get_post_type() == 'post'):

		//customize breakcrumb
		$breadcrumb[] = array(
			'url' => $blogPage__permalink,
			'text' => $blogPage__title,
		);

		array_splice( $links, 1, -2, $breadcrumb );

	endif;

	return $links;
	
}