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asyncclient.php
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asyncclient.php
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<?php
/**
* This example demonstrates the ability for clients to work asynchronously.
*
* By default up to 10 requests will be executed in paralel. HTTP connections
* are re-used and DNS is cached, all thanks to the power of curl.
*
* @copyright Copyright (C) 2009-2015 fruux GmbH (https://fruux.com/).
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
use Sabre\HTTP\Request;
use Sabre\HTTP\Client;
// 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();

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