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

isValid() protected method

Checks if the given value is a string.
protected isValid ( mixed $value ) : void
$value mixed The value that should be validated
return void
    protected function isValid($value)
    {
        if (!is_string($value)) {
            $this->addError('A valid string is expected.', 1238108070);
        }
    }
StringValidator