public function get_option($key, $default = false)
 {
     if ($key == 'table_content') {
         $key = $this->type . '_' . $key;
     }
     return parent::get_option($key, $default);
 }
 public function get_option($key, $default = false)
 {
     if (get_option('woocommerce_gzdp_invoice_packing_slip_options') == 'yes') {
         $key = $this->type . '_' . $key;
     } else {
         if ($key == 'table_content') {
             $key = $this->type . '_' . $key;
         }
     }
     return parent::get_option($key, $default);
 }