Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
51 lines (40 sloc) 1.83 KB
use VDB\Spider\Discoverer\XPathExpressionDiscoverer;
use Symfony\Component\EventDispatcher\Event;
use VDB\Spider\Event\SpiderEvents;
use VDB\Spider\StatsHandler;
use VDB\Spider\Spider;
require_once __DIR__ . '/../vendor/autoload.php';
// Create Spider
$spider = new Spider('');
// Add a URI discoverer. Without it, the spider does nothing. In this case, we want <a> tags from a certain <div>
$spider->getDiscovererSet()->set(new XPathExpressionDiscoverer("//div[@id='catalogs']//a"));
// Set some sane options for this example. In this case, we only get the first 10 items from the start page.
$spider->getDiscovererSet()->maxDepth = 1;
$spider->getQueueManager()->maxQueueSize = 10;
// Let's add something to enable us to stop the script
function (Event $event) {
echo "\nCrawl aborted by user.\n";
// Add a listener to collect stats to the Spider and the QueueMananger.
// There are more components that dispatch events you can use.
$statsHandler = new StatsHandler();
// Execute crawl
// Build a report
echo "\n ENQUEUED: " . count($statsHandler->getQueued());
echo "\n SKIPPED: " . count($statsHandler->getFiltered());
echo "\n FAILED: " . count($statsHandler->getFailed());
echo "\n PERSISTED: " . count($statsHandler->getPersisted());
// Finally we could do some processing on the downloaded resources
// In this example, we will echo the title of all resources
foreach ($spider->getDownloader()->getPersistenceHandler() as $resource) {
echo "\n - " . $resource->getCrawler()->filterXpath('//title')->text();