introduction.md

Swoole Async HTTP2 client

Http2.0 client support stream and multiplexing. Multiple GET or POST request can be sent over the same TCP connection.

Swoole HTTP2 client is based on nghttp2, enable this feature when compiling with --enable-nghttp2, --enable-openssl or --with-openssl-dir.

Example

<?php
$array = array(
    "host" => "www.google.com",
    "accept-encoding" => "gzip, deflate",
    'accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
    'accept-language' => 'zh-CN,zh;q=0.8,en;q=0.6,zh-TW;q=0.4,ja;q=0.2',
    'user-agent' => 'Mozilla/5.0 (X11; Linux x86_64) Chrome/58.0.3026.3 Safari/537.36',
);

$client = new Swoole\Http2\Client("www.google.com", 443, true);

$client->setHeaders($array);
$client->setCookies(array("a" => "1", "b" => "2"));

$client->get("/", function ($o) use($client) {
    echo "#{$client->sock} hello world 1\n";
    echo $o->body;
});

$client->post("/", $array, function ($o) use($client) {
    echo "{$client->sock} hello world 3\n";
    echo $o->body;
    $client->close();
});
Swoole\Event::wait();

Events

Methods

function swoole_http2_client->__construct($host, $port, $ssl = false)

Construct HTTP2 client.

function swoole_http_client->get(string $path, callable $callback);

Send GET request, example callback function:

<?php
function callback(Swoole\Http2\Response $resp)
{
    var_dump($resp->cookie);
    var_dump($resp->header);
    var_dump($resp->server);
    var_dump($resp->body);
    var_dump($resp->statusCode);
}

function swoole_http2_client->post(string $path, mixed $data, callable $callback);

Send POST request, example:

<?php
$cli = new swoole_http2_client('127.0.0.1', 80); 
$cli->post('/post.php', array("a" => '1234', 'b' => '456'), function ($response) {
    echo "Length: " . strlen($cli->body) . "\n";
    echo $cli->body;
});

function swoole_http2_client->setHeaders(array $headers);

Setup the http request headers.

function swoole_http2_client->setCookies(array $cookies);

Setup the http request cookies.