Kraken\Stream\AsyncStream::write PHP Method

    public function write($text)
    {
        if (!$this->writable) {
            return $this->throwAndEmitException(new WriteException('Stream is no longer writable.'));
        }
        $this->buffer->push($text);
        if (!$this->listening) {
            $this->listening = true;
            $this->loop->addWriteStream($this->resource, [$this, 'handleWrite']);
        }
        return $this->buffer->length() < $this->bufferSize;
    }