asyncclient.php

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<?php

use Sabre\HTTP\Client;
use Sabre\HTTP\Request;

// Find the autoloader
$paths = [
    __DIR__ . '/../vendor/autoload.php',
    __DIR__ . '/../../../autoload.php',
    __DIR__ . '/vendor/autoload.php',

];

foreach ($paths as $path) {
    if (file_exists($path)) {
        include $path;
        break;
    }
}

// This is the request we're repeating a 1000 times.
$request = new Request('GET', 'http://localhost/');
$client = new Client();

for ($i = 0; $i < 1000; $i++) {

    echo "$i sending\n";
    $client->sendAsync(
        $request,

        // This is the 'success' callback
        function($response) use ($i) {
            echo "$i -> " . $response->getStatus() . "\n";
        },

        // This is the 'error' callback. It is called for general connection
        // problems (such as not being able to connect to a host, dns errors,
        // etc.) and also cases where a response was returned, but it had a
        // status code of 400 or higher.
        function($error) use ($i) {

            if ($error['status'] === Client::STATUS_CURLERROR) {
                // Curl errors
                echo "$i -> curl error: " . $error['curl_errmsg'] . "\n";
            } else {
                // HTTP errors
                echo "$i -> " . $error['response']->getStatus() . "\n";
            }
        }
    );
}

// After everything is done, we call 'wait'. This causes the client to wait for
// all outstanding http requests to complete.
$client->wait();