PHP爬蟲類庫推薦：如何選擇最適合的工具？

require 'vendor/autoload.php';
use GoutteClient;

$client = new Client();
$crawler = $client->request('GET', 'https://example.com');

$crawler->filter('h1')->each(function ($node) {
    echo $node->text() . "
";
});

require 'PHPSpider/core/init.php';

$urls = [
    'https://example.com/page1',
    'https://example.com/page2',
    'https://example.com/page3',
];

$spider = new PHPSpider();

$spider->on_start = function ($spider) use ($urls) {
    foreach ($urls as $url) {
        $spider->add_url($url);
    }
};

$spider->on_extract_page = function ($spider, $page) {
    echo "Title: " . $page['title'] . "
";
    echo "Content: " . $page['content'] . "
";
};

$spider->start();

require 'vendor/autoload.php';
use SymfonyComponentPantherPantherTestCase;

$client = PantherTestCase::createChromeClient();
$crawler = $client->request('GET', 'https://example.com');

$title = $crawler->filter('h1')->text();
echo "Title: " . $title . "
";