Code-Snippets-Functions/Execute a function on a child site/WooCommerce/force-enable-reviews-on-all-products.txt

add_filter( 'comments_open', 'wc_force_enable_reviews', 9999, 2 );
 
function wc_force_enable_reviews( $enable, $post_id ) {
   if ( 'product' === get_post_type( $post_id ) ) {
      $enable = true;
   }
   return $enable;
}