private function getHeader(string $name): string
    {
        $result = "";
        
        if (Arrays::hasElement($this->headers, $name)) {
            $result = $this->headers[$name];
        }
        
        return $result;
    }
private function getHeader(string $name): string
    {
        $result = "";
        
        if (Arrays::hasElement($this->headers, $name)) {
            $result = $this->headers[$name];
        }
        
        return $result;
    }
private function getHeader ( string $ name ) : string { $ result = "" ; if ( Arrays :: hasElement ( $ this -> headers , $ name ) ) { $ result = $ this -> headers [ $ name ] ; } return $ result ; }
Retrieve an given header

@param string $name
@return string
Retrieve an given header