private function readHeader(): self
    {
        if (null !== $this->statusLine) {
            return $this;
        }

        do {
            $this->parseStatusLine($this->socket->readLine());
            $headers = '';
            $line    = '';
            while (!$this->socket->eof() && Http::END_OF_LINE !== $line) {
                $line     = $this->socket->readLine() . Http::END_OF_LINE;
                $headers .= $line;
            }

            $this->headers->append($headers);
        } while ($this->requireContinue());
        return $this;
    }
private function readHeader(): self
    {
        if (null !== $this->statusLine) {
            return $this;
        }

        do {
            $this->parseStatusLine($this->socket->readLine());
            $headers = '';
            $line    = '';
            while (!$this->socket->eof() && Http::END_OF_LINE !== $line) {
                $line     = $this->socket->readLine() . Http::END_OF_LINE;
                $headers .= $line;
            }

            $this->headers->append($headers);
        } while ($this->requireContinue());
        return $this;
    }
private function readHeader ( ) : self { if ( null !== $ this -> statusLine ) { return $ this ; } do { $ this -> parseStatusLine ( $ this -> socket -> readLine ( ) ) ; $ headers = '' ; $ line = '' ; while ( ! $ this -> socket -> eof ( ) && Http :: END_OF_LINE !== $ line ) { $ line = $ this -> socket -> readLine ( ) . Http :: END_OF_LINE ; $ headers .= $ line ; } $ this -> headers -> append ( $ headers ) ; } while ( $ this -> requireContinue ( ) ) ; return $ this ; }
reads response headers

@return  \stubbles\peer\http\HttpResponse
reads response headers