ServerRequestFactory about laminas-diactoros HOT 3 CLOSED

use DomainException;

class ServerHostFactory
{
    protected static $forcedHost = '';

    public static function setForcedHost($host)
    {
        static::$forcedHost = $host;
    }

    public static function getForcedHost()
    {
        return static::$forcedHost;
    }

    public static function make(array $server = null)
    {
        if (! empty(static::$forcedHost)) {
            return static::$forcedHost;
        }

        return static::calculate($server);
    }

    public static function calculate(array $server = null)
    {
        if (empty($server)) {
            $server = $_SERVER;
        }

        // from server config, if present
        if (isset($server['SERVER_NAME'])) {
            return $server['SERVER_NAME'];
        }

        // from headers, dangerous to use
       /* if (isset($server['HTTP_HOST'])) {
            return $server['HTTP_HOST'];
        }*/

        throw new DomainException(
            'Missing host in server parameters.'
        );
    }
}