Find any reference to OS or NS in slug and remove. Amend stock status accordingly

nuke stock

if(isset($_GET['nuke_os'])){

  add_action('init', function(){
    $products = get_posts(['post_type' => 'product', 'posts_per_page' => -1]);
    $q = 0;
    foreach($products as $product){
      $extension = substr($product->post_name, -3);
      if(in_array($extension, ['-os','-ns'])){
        $q++;
        update_post_meta($product->ID, '_stock_status', 'outofstock');
        wp_update_post( array(
          'ID' => $product->ID,
          'post_title' => substr($product->post_title, 0, -3),
          'post_name' => substr($product->post_name, 0, -3)
        ));
      }
    }
    echo 'TOTAL: '.$q;
    die();
  });

}