Using version 2 of PECL HTTP extension (pecl_http)

pecl_http_snippets.php

<?php
// Doc Home - http://devel-m6w6.rhcloud.com/mdref/http

$url = 'http://php.net';

// ## Simple single Get
$req = new \http\Client\Request('GET', $url);
$client = (new \http\Client())
        ->enqueue($req)
        ->send();        
        
$resp = $client->getResponse();
$code = $resp->getResponseCode();
$content = $resp->getBody();

// ## Async handling
(new http\Client)->enqueue(new http\Client\Request("GET", $url), 
    function(http\Client\Response $res) {
        printf("%s returned %d\n", $res->getTransferInfo("effective_url"), $res->getResponseCode());
        return true; // dequeue
})->send();

// ## Adding QueryString
// @see : http://devel-m6w6.rhcloud.com/mdref/http/Client/Request/setQuery
$q = new \http\QueryString($params);
$req->setQuery($q);

// ## Setting Headers
$headers = array(
    'X-Api-Key' => 'api-key',
    'X-Api-Secret' => 'api-secret',
);
$req = new \http\Client\Request('GET', $url, $headers);

// ## Setting Options
// Available options -  http://devel-m6w6.rhcloud.com/mdref/http/Client/Curl
$req->setOptions(array(
    'connecttimeout' => 30,
    'timeout' => 120,
));

// ## Send and handle parallal requests
$client = new http\Client;
$client->enqueue(new http\Client\Request("GET", "http://php.net"));
$client->enqueue(new http\Client\Request("GET", "http://pecl.php.net"));
$client->enqueue(new http\Client\Request("GET", "http://pear.php.net"));
$client->send();

while ($res = $client->getResponse()) {
    printf("%s returned %d\n", $res->getTransferInfo("effective_url"),
        $res->getResponseCode());
}


// ## Info in Response object
$res->getBody();
$res->getHeader();
$res->getHeaders();
$res->getRequestUrl();
$res->getResponseCode();
$res->isMultipart();
$res->splitMultipartBody();
$res->getInfo();
// Many others
// Check with `print_r(get_class_methods('http\Client\Response'));`

@fpischedda
2 years later... the method return client so you have to write "$r = $r->setSsl......."
Php is a very very good language... ironic.
marco