public function getValue()
    {
        try {
            return JsonValidator::validate($this->value) ? $this->value : '';
        } catch (InvalidArgumentException $e) {
            return $e->getMessage();
        }
    }
public function getValue()
    {
        try {
            return JsonValidator::validate($this->value) ? $this->value : '';
        } catch (InvalidArgumentException $e) {
            return $e->getMessage();
        }
    }
public function getValue ( ) { try { return JsonValidator :: validate ( $ this -> value ) ? $ this -> value : '' ; } catch ( InvalidArgumentException $ e ) { return $ e -> getMessage ( ) ; } }
JSON string value

@return string
JSON string value