Multiple examples of how to customize the Yoast SEO breadcrumbs

yoast_seo_breadcrumb_add_woo_shop.php

<?php
/********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/

/*
 * Add shop link to the Yoast SEO breadcrumbs for a WooCommerce shop page.
 * Credit: https://wordpress.stackexchange.com/users/8495/rjb
 * Last Tested: Apr 20 2017 using Yoast SEO 4.6 on WordPress 4.7.3
 */

add_filter( 'wpseo_breadcrumb_links', 'wpseo_breadcrumb_add_woo_shop_link' );

function wpseo_breadcrumb_add_woo_shop_link( $links ) {
    global $post;

    if ( is_woocommerce() ) {
        $breadcrumb[] = array(
            'url' => get_permalink( woocommerce_get_page_id( 'shop' ) ),
            'text' => 'Shop',
        );

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

    return $links;
}

yoast_seo_breadcrumb_append_link.php

<?php
/********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/

/*
 * Add a link to the Yoast SEO breadcrumbs
 * Credit: https://wordpress.stackexchange.com/users/8495/rjb
 * Last Tested: Nov 30 2018 using Yoast SEO 9.2 on WordPress 4.9.8
 *********
 * DIFFERENT POST TYPES
 * Post: Change 123456 to the post ID
 * Page: Change is_single to is_page and 123456 to the page ID
 * Custom Post Type: Change is_single to is_singular and 123456 to the 'post_type_slug'
    Example: is_singular( 'cpt_slug' )
 *********
 * MULTIPLE ITEMS
 * Multiple of the same type can use an array.
    Example: is_single( array( 123456, 234567, 345678 ) )
 * Multiple of different types can repeat the if statement
 */

add_filter( 'wpseo_breadcrumb_links', 'yoast_seo_breadcrumb_append_link' );

function yoast_seo_breadcrumb_append_link( $links ) {
    global $post;

    if ( is_single ( 123456 ) ) {
        $breadcrumb[] = array(
            'url' => site_url( '/blog/' ),
            'text' => 'Blog',
        );

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

    return $links;
}

yoast_seo_breadcrumb_remove_limited.php

<?php
/********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/

/*
 * Add a link to the Yoast SEO breadcrumbs
 * Credit: Yoast team
 * Last Tested: Feb 25 2019 using Yoast SEO 9.6 on WordPress 5.1
 *********
 * DIFFERENT POST TYPES
 * Post: Change 123456 to the post ID
 * Page: Change is_single to is_page and 123456 to the page ID
 * Custom Post Type: Change is_single to is_singular and 123456 to the 'post_type_slug'
    Example: is_singular( 'cpt_slug' )
 *********
 * MULTIPLE ITEMS
 * Multiple of the same type can use an array.
    Example: is_single( array( 123456, 234567, 345678 ) )
 * Multiple of different types can repeat the if statement
 */

add_filter( 'wpseo_breadcrumb_links', 'wpseo_breadcrumb_remove_limited' );

function wpseo_breadcrumb_remove_limited( $breadcrumbs ) {
    if ( is_single ( 123456 ) ) {
		return false;
    }
	else {
		return $breadcrumbs;
	}
}