src/Validation/Spec/AbstractValidator.php
protected function validateIdMember($value, string $path): bool
    {
        if (!is_string($value)) {
            $this->memberNotString($path, 'id');
            return false;
        }

        if (empty($value)) {
            $this->memberEmpty($path, 'id');
            return false;
        }

        return true;
    }
protected function validateIdMember($value, string $path): bool
    {
        if (!is_string($value)) {
            $this->memberNotString($path, 'id');
            return false;
        }

        if (empty($value)) {
            $this->memberEmpty($path, 'id');
            return false;
        }

        return true;
    }
Validate the value of an id member.

@param mixed $value
@param string $path
@return bool