function simpleCalDAVconnect($url, $user, $pass) { // Check for missing arguments if (!(isset($url) && isset($user) && isset($pass))) { return array(1, 'Missing arguments'); } // Connect to CalDAV-Server and log in $client = new CalDAVClient($url, $user, $pass); // Check for errors if (!$client->CheckValidCalDAV()) { if ($client->GetHttpResultCode() == '401') { return array(2, 'Login failed', $client->GetHttpRequest(), $client->GetBody(), $client->GetResponseHeaders(), $client->GetXmlResponse()); } elseif ($client->GetHttpResultCode() == '') { return array(3, 'Can\'t reach server', $client->GetHttpRequest(), $client->GetBody(), $client->GetResponseHeaders(), $client->GetXmlResponse()); } else { return array(4, 'Recieved unknown HTTP status while checking the connection after establishing it', $client->GetHttpRequest(), $client->GetBody(), $client->GetResponseHeaders(), $client->GetXmlResponse()); } } // set url to our calendar (CalDAV-protocol supports multiple calendars) $client->SetCalendar($url); // Is valid calendar? if (count($client->GetCalendarDetailsByURL($url)) == 0) { return array(5, 'Can\'t find the calendar on the CalDAV-server', $client->GetHttpRequest(), $client->GetBody(), $client->GetResponseHeaders(), $client->GetXmlResponse()); } return array(0, $client); }