"1", "vendor_id" => "1", // Set vendor ID "source_country" => "8", // Source country ID "source_city" => "1", // Source city ID "destination_country" => "3", // Destination country ID "destination_city" => "1", // Destination city ID "insurance" => 1, // Assume insurance is 1 "pieces" => 1, // Number of pieces "length" => 22, // Box length in cm "width" => 22, // Box width in cm "height" => 10, // Box height in cm "gross_weight" => 2, // Total weight "declared_value" => 100 // Example declared value ] ]; // Build the request parameters $params = [ 'email' => $email, 'private_key' => $private_key, 'domestic_service' => $domestic_service, 'international_service' => $international_service, 'shipment' => json_encode($shipment) ]; // Make the API request $response = wp_remote_get(add_query_arg($params, $api_url)); // Check if the request was successful if (is_wp_error($response)) { return false; } // Get the response body and decode it $body = wp_remote_retrieve_body($response); $data = json_decode($body, true); // Check if the API returned a success response if (isset($data['error_code']) && $data['error_code'] == 508) { return $data['rate']; // Return the freight charge } // Return false if the API response was not successful return false; } // Example package data for testing $package = [ 'destination' => [ 'country' => '3', 'city' => '1' ] ]; // Call the function and display the result $rate = get_dynamic_freight_charge($package); echo 'Shipping Rate: ' . ($rate !== false ? $rate : 'Error fetching rate'); ?>