use Lang Class to get translations

getorderdetails.php

@@ -6,14 +6,11 @@ if (!defined("WHMCS")) {
 }
 
 $data = $_REQUEST;
-
 if(empty($data['orderid'])) {
     $apiresults = array('result' => 'error', 'message' => 'OrderID is required');
     return ;
 }
-
 $orderid = (int) $data['orderid'];
-
 $setup = array(
     'One Time'      => 'msetupfee',
     'Monthly'       => 'msetupfee',
@@ -33,16 +30,15 @@ $recurring = array(
     'Triennially'   => 'triennially',
 );
 $billingterm = array(
-    'Free Account'  => $_LANG['orderpaymenttermfree'],
-    'One Time'      => $_LANG['orderpaymenttermonetime'],
-    'Monthly'       => $_LANG['orderpaymenttermmonthly'],
-    'Quarterly'     => $_LANG['orderpaymenttermquarterly'],
-    'Semi-Annually' => $_LANG['orderpaymenttermsemiannually'],
-    'Annually'      => $_LANG['orderpaymenttermannually'],
-    'Biennially'    => $_LANG['orderpaymenttermbiennially'],
-    'Triennially'   => $_LANG['orderpaymenttermtriennially'],
+    'Free Account'  => Lang::trans('orderpaymenttermfree'),
+    'One Time'      => Lang::trans('orderpaymenttermonetime'),
+    'Monthly'       => Lang::trans('orderpaymenttermmonthly'),
+    'Quarterly'     => Lang::trans('orderpaymenttermquarterly'),
+    'Semi-Annually' => Lang::trans('orderpaymenttermsemiannually'),
+    'Annually'      => Lang::trans('orderpaymenttermannually'),
+    'Biennially'    => Lang::trans('orderpaymenttermbiennially'),
+    'Triennially'   => Lang::trans('orderpaymenttermtriennially'),
 );
-
 $order_details = array();
 $order = localAPI('GetOrders', array('id' => $orderid));
 $order_details['ordernumber'] = $order['orders']['order'][0]['ordernum'];