Yoast SEO Breadcrumb output with schema

/*
 * Filter the output of Yoast breadcrumbs so each item is an <li> with schema markup
 * @param $link_output
 * @param $link
 * @return string
 */
function revive_update_yoast_breacrumbs( $link_output, $link ) {
	$updated_output = '<li itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">';
	$updated_output .= '<a itemprop="item" href="' . $link['url'] . '" itemprop="url">' . $link['text'] . '</a>';
// working on insert position of item within breadscrumbs
//	$updated_output  .= '<meta itemprop="position" content="1" />';
	$updated_output .= '</li>';
	return $updated_output;
}
add_filter( 'wpseo_breadcrumb_single_link', 'revive_update_yoast_breacrumbs', 10, 2 );


/*
 * Filter the output of Yoast breadcrumbs to remove <span> tags added by the plugin
 * @param $output
 * @return mixed
 */
 
function revive_clean_yoast_breadcrumb_output( $output ){
	$start = '<span>';
	$end = '</span>';
	$output = str_replace( $start, $end, $output );
	return $output;
}
add_filter( 'wpseo_breadcrumb_output', 'revive_clean_yoast_breadcrumb_output' );


function revive_breadcrumbs() {
	if ( function_exists('yoast_breadcrumb') ) {
		yoast_breadcrumb('<ol class="breadcrumbs-wrapper" itemscope itemtype="https://schema.org/BreadcrumbList">', '</ol>');
	}
}


// USE revive_breadcrumbs(); to display breadcrumbs