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<?php
/**
* A text field that accepts only valid domain names, but allows the wildcard (*) character
*/
class WildcardDomainField extends TextField
{
* Validate this field as a valid hostname
*
* @param Validator $validator
* @return bool
public function validate($validator)
if ($this->checkHostname($this->Value())) {
return true;
}
$validator->validationError(
$this->getName(),
_t("DomainNameField.INVALID_DOMAIN", "Invalid domain name"),
"validation"
);
return false;
* Check if the given hostname is valid.
* @param string $hostname
* @return bool True if this hostname is valid
public function checkHostname($hostname)
return (bool)preg_match('/^([a-z0-9\*]+[\-\.])*([a-z0-9\*]+)$/', $hostname);
public function Type()
return 'text wildcarddomain';
silverstripe /
silverstripe-subsites
