<?php $client = new SoapClient('http://localhost:3080/soap/codendi.wsdl.php?wsdl'); // Disciplus is a restricted user $session = $client->login('disciplus_1', 'Welcome0')->session_hash; // Disciplus 2 is not member of a project disciplus_1 is member of var_dump($client->checkUsersExistence($session, array('disciplus_2'))); $client->logout($session);