本文整理汇总了PHP中Crawler::filter方法的典型用法代码示例。如果您正苦于以下问题：PHP Crawler::filter方法的具体用法？PHP Crawler::filter怎么用？PHP Crawler::filter使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Crawler的用法示例。
在下文中一共展示了Crawler::filter方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: perform
function perform()
{
$ps = DB::prepare('INSERT INTO listings SET scraped=FALSE, code=:code, title=:title, link=:link, date=:date, price=:price, neighborhood=:neighborhood');
array_map(function ($url) use($ps) {
$code = substr($url, 30, 3);
// SUPER brittle obvs
$crawler = new Crawler(Guzzle::get($url)->getBody());
$crawler->filter('.row > .txt')->each(function ($node) use($ps, $code) {
try {
$a = $node->filter('.pl > a.hdrlnk');
$ps->execute([':code' => $code, ':title' => $a->text(), ':link' => $a->attr('href'), ':date' => strftime('%Y-%m-%d', strtotime($node->filter('.pl > .date')->text())), ':price' => ($n = $node->filter('.l2 > .price')) && $n->count() ? preg_replace('/\\D/', '', $n->text()) : null, ':neighborhood' => ($n = $node->filter('.l2 > .pnr > small')) && $n->count() ? $n->text() : null]);
} catch (Exception $e) {
Logger::error($e->getMessage(), $ps->errorinfo());
}
});
}, ['http://newyork.craigslist.org/nfa/', 'http://newyork.craigslist.org/roo/', 'http://newyork.craigslist.org/sub/']);
}示例2: perform
function perform()
{
$q = DB::query('SELECT link, neighborhood FROM listings WHERE scraped != TRUE', PDO::FETCH_ASSOC);
$ps = DB::prepare('UPDATE listings SET scraped=TRUE, street=:street, description=:description, lat=:lat, lng=:lng WHERE link=:link');
/*
Guzzle::sendAll(array_map(function ($listing) {
return Guzzle::createRequest('GET', 'http://newyork.craigslist.org' . $listing['link']);
}, iterator_to_array($q)), ['complete' => function ($event) use($ps) {
try {
$body = $event->getResponse()->getBody();
$crawler = new Crawler($body);
$readability = new Readability($body);
$street = $crawler->filter('.mapAndAttrs > .mapbox > div.mapaddress');
$ps->execute([
':link' => parse_url($event->getRequest()->getUrl())['path'],
':lat' => null,
':lng' => null,
':street' => $street->count() ? $street->text() : null,
':description' => $readability->init() ? trim(strip_tags(tidy_parse_string($readability->getContent()->innerHTML, [], 'UTF8'))) : null
]);
} catch (Exception $e) {
Logger::error($e->getMessage(), $ps->errorinfo());
}
}]);
*/
foreach ($q as $listing) {
try {
$body = Guzzle::get('http://newyork.craigslist.org' . $listing['link'])->getBody();
$crawler = new Crawler($body);
$readability = new Readability($body);
$street = $crawler->filter('.mapAndAttrs > .mapbox > div.mapaddress');
$url = 'http://maps.googleapis.com/maps/api/geocode/json?address=' . ($street->count() ? $street->text() : $listing['neighborhood']);
$json = json_decode(Guzzle::get($url)->getBody(), true);
$loc = isset($json['results'][0]) ? $json['results'][0]['geometry']['location'] : null;
$ps->execute([':link' => $listing['link'], ':lat' => isset($loc['lat']) ? $loc['lat'] : null, ':lng' => isset($loc['lng']) ? $loc['lng'] : null, ':street' => $street->count() ? $street->text() : null, ':description' => $readability->init() ? trim(strip_tags(tidy_parse_string($readability->getContent()->innerHTML, [], 'UTF8'))) : null]);
} catch (Exception $e) {
Logger::error($e->getMessage(), $ps->errorinfo());
}
}
}示例3: testFacade
function testFacade()
{
$crawler = new Crawler('<html/>');
$this->assertEquals($crawler->filter('html')->count(), 1);
}