nuSOAP

$client = new nusoap_client("http://hujer.info/shitws/Service.asmx?WSDL", "wsdl");

#hnuskod

if( !is_object($client) ){
     echo "ERROR neni wobject...(asi blba URL)"
     exit(123) #or return false
}

#lepsi metoda:
$err = $client->getError();
if ($err) {
 echo '<h2>Constructor error</h2><pre>' . $err . '</pre>';
 echo '<h2>Debug</h2><pre>' . htmlspecialchars($client->getDebug(), ENT_QUOTES) . '</pre>';
 exit();
}

$ret2 = $client->setCredentials($username,$password, "basic");

#"standart"
if( strlen($ret2) > 0){
  echo "prihlaseni selhalo...salala (".$ret2.")"
  exit(46)
}

#asi lepsi
$err3 = $client->getError();
if ($err3) {
 echo '<h2>Constructor error</h2><pre>' . $err3 . '</pre>';
 echo '<h2>Debug</h2><pre>' . htmlspecialchars($client->getDebug(), ENT_QUOTES) . '</pre>';
 exit();
}

#call