http_api.php

<?php

use WordPress\AsyncHttp\Client;
use WordPress\AsyncHttp\ClientEvent;
use WordPress\AsyncHttp\Request;

require __DIR__ . '/vendor/autoload.php';

$requests = [
	new Request( "https://wordpress.org/latest.zip" ),
	new Request( "https://raw.githubusercontent.com/wpaccessibility/a11y-theme-unit-test/master/a11y-theme-unit-test-data.xml" ),
];

$client = new Client();
$client->enqueue( $requests );

while ( $client->await_next_event() ) {
	$request = $client->get_request();
	echo "Request " . $request->id . ": " . $client->get_event() . " ";
	switch ( $client->get_event() ) {
		case Client::EVENT_BODY_CHUNK_AVAILABLE:
			echo $request->response->received_bytes . "/". $request->response->total_bytes ." bytes received";
			file_put_contents( 'downloads/' . $request->id, $client->get_response_body_chunk(), FILE_APPEND);
			break;
		case Client::EVENT_REDIRECT:
		case Client::EVENT_GOT_HEADERS:
		case Client::EVENT_FINISHED:
			break;
		case Client::EVENT_FAILED:
			echo "– ❌ Failed request to " . $request->url . " – " . $request->error;
			break;
	}
	echo "\n";
}