How to Hide Woocommerce shipping methods for specific shipping classes?

/* Hide Woocommerce shipping method for a specific shipping class */
function hide_flat_rate_shipping( $rates, $package ) {
    // shipping class IDs that need the method removed
    $shipping_classes = array('courier-only'); // Here goes your shipping class slug
    $if_exists = false;
 
    foreach( $package['contents'] as $key => $values ) {
        if( in_array( $values[ 'data' ]->get_shipping_class(), $shipping_classes ) )
            $if_exists = true;
    }
 
    if( $if_exists ) unset( $rates['flat_rate:2'] ); // Here goes your shipping method that needs to be hidden. Don’t forget to add correct one here
 
    return $rates;
}
add_filter( 'woocommerce_package_rates', 'hide_flat_rate_shipping', 10, 2 );

function wpsh_hide_shipping( $rates, $package ) {
    // Define an array that maps shipping classes to the shipping methods that need to be hidden
    $class_to_methods = array(
        'package1' => array(
            'flat_rate:4', // Flat rate for Zone 1
            'flat_rate:5', // Flat rate for Zone 2
            'flat_rate:6'  // Flat rate for Zone 3
        ),
        'package2' => array(
            'local_pickup:3', // Local pickup for Zone 1
            'local_pickup:4', // Local pickup for Zone 2
            'local_pickup:5'  // Local pickup for Zone 3
        )
    );
    
    $shipping_class = false;

    foreach( $package['contents'] as $key => $values ) {
        $shipping_class = $values['data']->get_shipping_class();
        if( array_key_exists($shipping_class, $class_to_methods) ) {
            foreach ($class_to_methods[$shipping_class] as $method) {
                unset($rates[$method]);
            }
        }
    }

    return $rates;
}
add_filter( 'woocommerce_package_rates', 'wpsh_hide_shipping', 10, 2 )

/* Hide Woocommerce shipping method for a specific shipping class (for free shipping) */
function wpsh_hide_shipping( $rates, $package ) {
    // Add your shipping class IDs that need the method removed
   $shipping_classes = array('cargobus');
    $if_exists = false;
 
    foreach( $package['contents'] as $key => $values ) {
        if( in_array( $values[ 'data' ]->get_shipping_class(), $shipping_classes ) )
            $if_exists = true;
    }
   // Add your shipping methods that need the method removed
    if( $if_exists ) {
	  unset( $rates['local_pickup:2'] ); // Local pickup
	  unset( $rates['flat_rate:1'] ); // Flat rate
	}
    return $rates;
}
add_filter( 'woocommerce_package_rates', 'wpsh_hide_shipping', 10, 2 );

// Display Woocommerce shipping class on cart page

add_filter( 'woocommerce_cart_item_name', 'display_shipping_class_in_cart_and_checkout', 20, 3);
function display_shipping_class_in_cart_and_checkout( $item_name, $cart_item, $cart_item_key ) {
    // Only in cart page (remove the line below to allow the display in checkout too)
    if( ! ( is_cart() || is_checkout() ) ) return $item_name;

    $product = $cart_item['data']; // Get the WC_Product object instance
    $shipping_class_id = $product->get_shipping_class_id(); // Shipping class ID
    $shipping_class_term = get_term( $shipping_class_id, 'product_shipping_class' );

    if( empty( $shipping_class_id ) )
        return $item_name; // Return default product title (in case of)

    $label = __( 'Shipping', 'woocommerce' ); // Change your label if needed

    return $item_name . '<br>
        <p class="item-shipping_class" style="margin:12px 0 0;">
            <strong>' .$label . ': </strong>' . $shipping_class_term->name . '</p>';
}

/* Display a hipping class based custom message on Woocommerce cart and checkout pages */
add_action( 'woocommerce_review_order_before_order_total', 'display_shipping_class_message' );
add_action( 'woocommerce_cart_totals_after_order_total', 'display_shipping_class_message' );
function display_shipping_class_message(){
  
    $shipping_classes = array('courier-only');   // Here goes your shipping class slugs in the array
    // Here goues your message shown in the cart and checkout page
    $message = __('<strong>Some of your products have a shipping class "Local pickup only". For that reason we can offer only local pickup as a shipping method.</strong>', "woocommerce");

    // Loop through cart items
    foreach( WC()->cart->get_cart() as $cart_item ){
        $shipping_class = $cart_item['data']->get_shipping_class();
        
        // echo '<pre>' . print_r($shipping_class, true) . '</pre>'; // Uncomment for testing

        // Check cart items for specific shipping class, displaying a message
        if( in_array($shipping_class, $shipping_classes ) ){
		  // Change NB! text if needed
            echo '<tr class="shipping-note">
                <td colspan="2"><strong>'.__("NB!", "woocommerce").'</strong> '.$message.'</td> 
            </tr>';
            break;
        }
    }
}