Php 如何在模板中显示来自prestashop模块的值

如何在

div

中的prestashop模板页面中显示变量，因为它现在位于页面顶部

public function hookDisplayCustomerAccount()
{
   global $smarty;
   $userid = $this->context->customer->id;
   $sql = "SELECT SUM(total_paid) FROM ps_orders  WHERE id_customer = '$userid' AND current_state = '1' ";
   $result = Db::getInstance()->ExecuteS($sql);
   $custdata=array();
   $sum = 0;
   foreach ($result as $row)
   {
       /*  $custdata[] = array(
           "id_order" => round( $row['SUM(total_paid)'] ,2),
       );*/
       echo round( $row['SUM(total_paid)'] ,2);
    }
    //$this->context->smarty->assign("custdata", $custdata);
    }
}

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尝试在模板页面中所需的位置调用钩子，如下所示

{hook h='displayCustomerAccount'mod='yourmodulename'}

PS：如果displayCustomerAccount上只挂接了此模块，则可以排除“mod”

干杯：）