Created
July 7, 2020 19:10
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Fetch images from a url
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<?php | |
//dependencies | |
//"clue/buzz-react": "^2.9", | |
//"symfony/dom-crawler": "^5.1", | |
//"clue/mq-react": "^1.2" | |
require_once './vendor/autoload.php'; | |
$url = 'http://example.com/site-with-images'; | |
$html = file_get_contents($url); | |
$crawler = new \Symfony\Component\DomCrawler\Crawler($html); | |
$images = $crawler->filterXPath('//img')->getIterator(); | |
$loop = \React\EventLoop\Factory::create(); | |
$client = new \Clue\React\Buzz\Browser($loop); | |
// | |
// wraps Browser in a Queue object that executes no more than 10 operations at once | |
$q = new \Clue\React\Mq\Queue(50, null, function ($url) use ($client) { | |
return $client->get($url); | |
}); | |
foreach ($images as $index => $img) { | |
$imageUrl = $img->getAttribute('src'); | |
$info = pathinfo($imageUrl); | |
$result = __DIR__ . '/info/' . $info['filename'] . '.' . $info['extension']; | |
echo $imageUrl . PHP_EOL; | |
$q($imageUrl)->then(function (Psr\Http\Message\ResponseInterface $response) use ($result){ | |
$content = (string)$response->getBody(); | |
file_put_contents($result, $content); | |
}); | |
} | |
$loop->run(); | |
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