Display related products in a tab at single product page

display-related-products-in-tab.php

<?php 

/**
 * @snippet       Related products in a tab| WooCommerce
 * @author        WooXperto
 * @date          17.08.2023
 */


// First, let's remove related products from their original position
function wooXperto_remove_related_products(){
  remove_action("woocommerce_after_single_product_summary","woocommerce_output_related_products",20);
}
add_action("wp","wooXperto_remove_related_products");

// Second, let's add a new tab
function wooXperto_new_product_tab($tabs){
  $tabs['related_products'] = array(
    'title' => __("Show Related Products","WooXperto"),
    'priority'=> 50,
    'callback'=>'wooXperto_new_tab_content'
  );
  
  return $tabs;
}
add_filter("woocommerce_product_tabs","wooXperto_new_product_tab");

// Third, let's put the related products inside
function wooXperto_new_tab_content(){
   woocommerce_output_related_products();
}