Respect\Validation\Rules\Domain::assert PHP Method

    public function assert($input)
    {
        $e = [];
        foreach ($this->checks as $chk) {
            $this->collectAssertException($e, $chk, $input);
        }
        if (count($parts = explode('.', $input)) >= 2) {
            $this->collectAssertException($e, $this->tld, array_pop($parts));
        }
        foreach ($parts as $p) {
            $this->collectAssertException($e, $this->otherParts, $p);
        }
        if (count($e)) {
            throw $this->reportError($input)->setRelated($e);
        }
        return true;
    }