Sindbad~EG File Manager

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Async plugin
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The AsyncPlugin allows you to send requests that do not wait on a response. This is handled through cURL by utilizing
the progress event. When a request has sent all of its data to the remote server, Guzzle adds a 1ms timeout on the
request and instructs cURL to not download the body of the response. The async plugin then catches the exception and
adds a mock response to the request, along with an X-Guzzle-Async header to let you know that the response was not
fully downloaded.

.. code-block:: php

    use Guzzle\Http\Client;
    use Guzzle\Plugin\Async\AsyncPlugin;

    $client = new Client('http://www.example.com');
    $client->addSubscriber(new AsyncPlugin());
    $response = $client->get()->send();