/**
* Check FQDN Validity
*
* @param $fqdn the FQDN to check
*
* @return true if the FQDN is valid
**/
static function checkFQDN($fqdn)
{
// The FQDN must be compose of several labels separated by dots '.'
$labels = explode(".", $fqdn);
foreach ($labels as $label) {
if ($label == "" || !FQDNLabel::checkFQDNLabel($label)) {
return false;
}
}
return true;
}
