public function getHeaders()
    {
        $headers = [];
        foreach ($this->srv as $k => $v) {
            $headers[self::normalizeHeaderKeyName($k)] = $v;
        }

        return $headers;
    }
public function getHeaders()
    {
        $headers = [];
        foreach ($this->srv as $k => $v) {
            $headers[self::normalizeHeaderKeyName($k)] = $v;
        }

        return $headers;
    }
public function getHeaders ( ) { $ headers = [ ] ; foreach ( $ this -> srv as $ k => $ v ) { $ headers [ self :: normalizeHeaderKeyName ( $ k ) ] = $ v ; } return $ headers ; }
Get the HTTP headers.

@return array the HTTP headers as a key-value array
Get the HTTP headers .