78     private ?string $host = null;  variable in ComboStrap\\Web\\Url
126             $this->host = $urlComponents["host"] ?? null;
153                 $this->host == null
156                 ($requestHost != null && $this->host == $requestHost))
444         if ($this->host === null) {
447         return $this->host;
573     public function setHost($host): Url  argument
575         $this->host = $host;
823                     $host = $this->getHost();
825                     $host = null;
831                 if ($host !== null) {
835                     $base = "$base{$host}";