WordPress woocommerce – hide other shipping method when flat rate available

1 comment

1. The code below is modified from this article :

   add_filter('woocommerce_package_rates', 'xa_hide_shipping_rates_when_flat_rate_is_available', 10, 2);
   function xa_hide_shipping_rates_when_flat_rate_is_available($rates, $package) {
       global $woocommerce;
       $version = "2.6";
       if (version_compare($woocommerce->version, $version, ">=")) {
           foreach($rates as $key => $value) {
               $key_part = explode(":", $key);
               $method_title = $key_part[0];
               if ('flat_rate' == $method_title) {
                   $flat_rate_shipping = $rates[$key];
                   // Unset all rates.
                   $rates = array();
                   // Restore flat rate shipping rate.
                   $rates[$key] = $flat_rate_shipping;
                   return $rates;
               }
           }
       }
       else {
           if (isset($rates['flat_rate'])) {
               // Below code is for unsetting single shipping method/option.
               $flat_rate = $rates['flat_rate'];
               // Unset all rates.
               $rates = array();
               // Restore flat rate shipping rate.
               $rates['flat_rate'] = $flat_rate;
           }
       }
   
       return $rates;
   }
   

   I am not sure which WooCommerce version you are using but I have tested for version 2.6 but not the versions before it.

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