Check if some product category in the cart

/**
 * @snippet       Check if Product Category is in the Cart - WooCommerce
 * @how-to        Get CustomizeWoo.com FREE
 * @author        Rodolfo Melogli
 * @compatible    WooCommerce 5
 * @donate $9     https://businessbloomer.com/bloomer-armada/
 */
 
add_action( 'woocommerce_before_cart', 'bbloomer_check_category_in_cart' );
 
function bbloomer_check_category_in_cart() {
 
   // Set $cat_in_cart to false
   $cat_in_cart = false;
 
   // Loop through all products in the Cart
   foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
 
      // If Cart has category "download", set $cat_in_cart to true
      if ( has_term( 'download', 'product_cat', $cart_item['product_id'] ) ) {
         $cat_in_cart = true;
         break;
      }
   }
 
   // Do something if category "download" is in the Cart
   if ( $cat_in_cart ) {
 
      // For example, print a notice
      wc_print_notice( 'Category Downloads is in the Cart!', 'notice' );
 
      // Or maybe run your own function...
      // ..........
 
   }
 
}