Get all pending operations

An Array of StructQueryOpePending

<?php 
$clientSOAP = new SoapClient("http://URL.wsdl"); 
 
try 
{ 
      $idSession = $clientSOAP->sessionOpen("XXXX", "XXXX", "EN"); 
      $res= $clientSOAP->queryOpePending($idSession); 
 
      print_r($res); 
} 
catch(SoapFault $fault) 
{ 
      echo "Exception : " .$fault->getMessage(). "\n"; 
} 
 
if (isset($idSession)) 
{ 
      $clientSOAP->sessionClose($idSession); 
} 
?>