} elseif ((isFormSent()) && ('' . $userid . '' != '' . postRequestParameter('id') . '')) {
// Invalid input (no nickname extension installed but nickname entered)
$errorCode = getCode('EXTENSION_PROBLEM');
} elseif (isFormSent()) {
// Try the login (see inc/libs/user_functions.php)
} elseif ((isFormSent()) && ('' . $userid . '' != '' . postRequestParameter('id') . '')) {
// Invalid input (no nickname extension installed but nickname entered)
$errorCode = getCode('EXTENSION_PROBLEM');
} elseif (isFormSent()) {
// Try the login (see inc/libs/user_functions.php)