Neos\Flow\Validation\Validator\LocaleIdentifierValidator::isValid PHP Method

isValid() protected method

Is valid if the given value is a valid "locale identifier".
protected isValid ( mixed $value ) : void
$value mixed The value that should be validated
return void
    protected function isValid($value)
    {
        if (!preg_match(Locale::PATTERN_MATCH_LOCALEIDENTIFIER, $value)) {
            $this->addError('Value is no valid I18n locale identifier.', 1327090892);
        }
    }
LocaleIdentifierValidator