/**
* Scraps og:title off the page content
* @param string $url
* @return string
*/
public function scrap($url)
{
$title = 'Unable to parse';
$this->request->setMethod(HTTP_METH_GET);
$this->request->setUrl($url);
try {
$response = $this->request->send();
$this->crawler->addHtmlContent($response->getBody());
$subCrawler = $this->crawler->filterXPath('//head/meta[@property="og:title"]');
$meta = $subCrawler->getNode(0);
if ($meta) {
$title = $meta->getAttribute('content');
}
} catch (Exception $e) {
$title = $e->getMessage();
}
return $title;
}
/**
* Promise handler
*
* @param array|PromiseInterface $promise
* @param Generator $gen
*/
private function give($promise, Generator $gen)
{
if ($promise instanceof PromiseInterface) {
$promise->then(function ($result) use($gen) {
if ($promise = $gen->send($result)) {
$this->give($promise, $gen);
}
});
} else {
all($promise)->then(function ($results) use($gen) {
if ($promise = $gen->send($results)) {
$this->give($promise, $gen);
}
});
}
$this->client->send();
}
<?php
use http\Client, http\Client\Request;
use http\QueryString;
//$params = new QueryString;
$params["foo"] = "bar";
$params["bar"] = "foo";
$request = new Request("POST", "http://www.google.com");
$request->getBody()->append($params);
$request->setContentType("application/x-www-form-urlencoded");
$client = new Client();
$client->enqueue($request);
$client->send();
$response = $client->getResponse($request);
printf("Sent:\n%s\n\n", $response->getParentMessage());
printf("%s returned '%s'\n%s\n", $response->getTransferInfo("effective_url"), $response->getInfo(), $response->getBody());
?>
Sent:
POST http://example.com HTTP/1.1
Content-Type: application/x-www-form-urlencoded
Content-Length: 7
bar=foo
http://example.com/ returned 'HTTP/1.1 200 OK'
<!doctype html>
<html>
<head>
<title>Example Domain</title>
