Hide shipping method based on shipping class

functions.php

add_filter('woocommerce_package_rates', 'wf_hide_shipping_method_based_on_shipping_class', 10, 2);
	
function wf_hide_shipping_method_based_on_shipping_class($available_shipping_methods, $package)
{
    $hide_when_shipping_class_exist = array(
        42 => array(
            'free_shipping'
        )
    );
    
    $hide_when_shipping_class_not_exist = array(
        42 => array(
            'wf_shipping_ups:03',
            'wf_shipping_ups:02',
             'wf_shipping_ups:01'
        ),
        43 => array(
            'free_shipping'
        )
    );
    
    
    $shipping_class_in_cart = array();
    foreach(WC()->cart->get_cart_contents() as $key => $values) {
       $shipping_class_in_cart[] = $values['data']->get_shipping_class_id();
    }

    foreach($hide_when_shipping_class_exist as $class_id => $methods) {
        if(in_array($class_id, $shipping_class_in_cart)){
            foreach($methods as & $current_method) {
                unset($available_shipping_methods[$current_method]);
            }
        }
    }
    foreach($hide_when_shipping_class_not_exist as $class_id => $methods) {
        if(!in_array($class_id, $shipping_class_in_cart)){
            foreach($methods as & $current_method) {
                unset($available_shipping_methods[$current_method]);
            }
        }
    }
    return $available_shipping_methods;
}