Code-Snippets-Functions/Execute a function on a child site/WooCommerce/show-or-hide-shipping-methods-based-on-user-meta-data.txt

add_filter( 'woocommerce_package_rates', 'shipping_methods_based_on_wholesale_customer', 10, 2 );
function shipping_methods_based_on_wholesale_customer( $rates, $package ){
    $is_wholesale = get_user_meta( get_current_user_id(), 'wcs_wholesale_customer', true );
    
    // Set the shipping methods rate ids in the arrays:
    if( $is_wholesale ) {
        $shipping_rates_ids = array('flat_rate:1', 'flat_rate:4'); // To be removed for NON Wholesale users
    } else {
        $shipping_rates_ids = array('flat_rate:2'); // To be removed for Wholesale users
    }

    // Loop through shipping rates fro the current shipping package
    foreach( $rates as $rate_key => $rate ) {
        if ( in_array( $rate_key, $shipping_rates_ids) ) {
            unset( $rates[$rate_key] ); 
        }
    }
    
    return $rates;
}