Check if specific category is in the cart

functions.php

<?php
// =========================================================================
// CHECK IF SPECIFIC CATEGORY IS IN THE CART
// =========================================================================
function check_specific_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 "flower", set $cat_in_cart to true
      if ( has_term( 'flower', 'product_cat', $cart_item['product_id'] ) ) {
         $cat_in_cart = true;
         break;
      }
   }
   // Do something if category "flower" is in the Cart
   if ( $cat_in_cart ) {
 
      echo 'There is flower in the cart!';

   }
}
add_action( 'woocommerce_before_cart', 'check_specific_category_in_cart' );