static function isAvailableDisplayName($sDisplayName)
{
//skip if non unique emails are allowed
if (AnwUsers::isNonUniqueDisplayNameAllowed()) {
return true;
}
//driver check
if (!self::getDriver()->isAvailableDisplayName($sDisplayName)) {
return false;
}
//additional checks
try {
AnwPlugins::hook('check_available_displayname', $sDisplayName);
} catch (AnwPluginInterruptionException $e) {
return false;
}
return true;
}
