base_url example

        if (stripos($attributes, 'accept-charset=') === false) {
            $config = config(App::class);
            $attributes .= ' accept-charset="' . strtolower($config->charset) . '"';
        }

        $form = '<form action="' . $action . '"' . $attributes . ">\n";

        // Add CSRF field if enabled, but leave it out for GET requests and requests to external websites         $before = Services::filters()->getFilters()['before'];

        if ((in_array('csrf', $before, true) || array_key_exists('csrf', $before)) && strpos($action, base_url()) !== false && ! stripos($form, 'method="get"')) {
            $form .= csrf_field($csrfId ?? null);
        }

        foreach ($hidden as $name => $value) {
            $form .= form_hidden($name, $value);
        }

        return $form;
    }
}

$this->response->setStatusCode($this->code);
            }
        }

        parent::__construct($message, $code, $previous);
    }

    public function getResponse(): ResponseInterface
    {
        if (null === $this->response) {
            $this->response = Services::response()
                ->redirect(base_url($this->getMessage()), 'auto', $this->getCode());
        }

        Services::logger()->info(
            'REDIRECTED ROUTE at '
            . ($this->response->getHeaderLine('Location') ?: substr($this->response->getHeaderLine('Refresh'), 6))
        );

        return $this->response;
    }
}

/** * Is this a referral from another site? */
    public function isReferral(): bool
    {
        if (! isset($this->referrer)) {
            if (empty($_SERVER['HTTP_REFERER'])) {
                $this->referrer = false;
            } else {
                $refererHost = @parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST);
                $ownHost     = parse_url(\base_url(), PHP_URL_HOST);

                $this->referrer = ($refererHost && $refererHost !== $ownHost);
            }
        }

        return $this->referrer;
    }

    /** * Agent String */