This snippet replaces Yoast SEO shortcodes ( '%%title%%', '%%sitename%%','%%sep%%') in title and description attribuut

replace Yoast SEO shortcodes in title and description attribuut

<?php

function replace_yoast_seo_title( $attributes, $feed_id, $product_id ) {
	
	// replace %%title%% with the product title.
  $attributes['title']        = str_replace('%%title%%', get_the_title($product_id), $attributes['title']);
  $attributes['description']  = str_replace('%%title%%', get_the_title($product_id), $attributes['description']);
  
  // replace %%sitename%% with the site name
  $attributes['title']        = str_replace('%%sitename%%', get_bloginfo('name'), $attributes['title']);
  $attributes['description']  = str_replace('%%sitename%%', get_bloginfo('name'), $attributes['description']);
	
  // replace %%sep%% with pipe (Change if you like to have a different separator)
  $attributes['title']        = str_replace('%%sep%%', '|', $attributes['title']);
  $attributes['description']  = str_replace('%%sep%%', '|', $attributes['description']);
	
	// IMPORTANT! Always return the $attributes
	return $attributes;
}

add_filter( 'wppfm_feed_item_value', 'replace_yoast_seo_title', 10, 3 );