onResponse(function (Response $response) { $statusLine = substr($response->getHeader(), 0, strpos($response->getHeader(), "\r")); $statusLine = str_pad($statusLine, 14, ' ', STR_PAD_RIGHT); print("$statusLine {$response->getOriginalUrl()}\n"); }); // Add urls $urls = [ 'https://twitter.com/survivetheark', 'https://twitter.com/missingpeople', 'https://twitter.com/elainecrowley', 'https://twitter.com/2020comms', 'https://twitter.com/goal', 'https://twitter.com/cydarmedical', 'https://twitter.com/cloakzy', 'https://twitter.com/cllrandrewkelly', 'https://twitter.com/youranonnews', 'https://twitter.com/trickyjabs', ]; foreach ($urls as $url) { $http2->addRequest($http2->createRequest($url)); } // Execute the requests print("Note: it might take some time to establish the TCP connection.\n"); print("The benefits of HTTP/2 become more clear if you send more requests to the same server.\n\n"); $startTime = microtime(true); $http2->execute(); printf("Requests: %d, time(s): %.3f\n", count($urls), microtime(true) - $startTime);