Are there any alternative libraries to Simple HTML DOM for PHP?

Yes, there are several alternative libraries to Simple HTML DOM for PHP that developers can use for parsing and manipulating HTML content. Each of these libraries offers different features and performance characteristics, so the choice might depend on specific project requirements. Here are some notable alternatives:

1. DOMDocument: Built into PHP, DOMDocument is a class that represents an entire HTML or XML document and allows you to navigate and manipulate the structure and content of the document. It is part of the DOM extension and adheres to the W3C standard.

$dom = new DOMDocument();
@$dom->loadHTML($html); // Use the @ to suppress warnings that might be generated due to malformed HTML.
$elements = $dom->getElementsByTagName('div');

foreach ($elements as $element) {
    echo $element->nodeValue;
}

1. phpQuery: phpQuery is a server-side CSS3 selector driven Document Object Model (DOM) API based on jQuery JavaScript Library. It allows you to write server-side code similar to jQuery and manipulate the DOM easily.

include 'phpQuery/phpQuery.php';

$doc = phpQuery::newDocumentHTML($html);
$paragraphs = $doc['p'];

foreach ($paragraphs as $paragraph) {
    echo pq($paragraph)->text();
}

1. Zend\Dom: A component of the Laminas Project (formerly Zend Framework), Zend\Dom provides tools for working with DOM documents and nodes.

use Laminas\Dom\Query;

$dom = new Query($html);
$results = $dom->execute('.some-class');

foreach ($results as $result) {
    echo $result->textContent;
}

1. Symfony DOMCrawler: Part of the Symfony framework, the DOMCrawler component is a powerful and flexible tool for navigating and manipulating HTML and XML documents.

use Symfony\Component\DomCrawler\Crawler;

$crawler = new Crawler($html);
$filter = $crawler->filter('h1');

foreach ($filter as $domElement) {
    echo $domElement->nodeValue;
}

1. Guzzle and its Psr7: While Guzzle is primarily a PHP HTTP client, it provides a simple interface for parsing and working with web pages using its Psr7 package.

use GuzzleHttp\Psr7;

$response = $client->request('GET', 'http://example.com');
$body = $response->getBody();
$dom = Psr7\parse_response($body);

1. FluentDOM: FluentDOM provides a jQuery-like fluent XML/DOM manipulation for PHP. It allows you to load and manipulate XML and HTML documents in a consistent way.

include 'FluentDOM.php';

$dom = FluentDOM::load($html);
echo $dom('string(//div[@id="content"])');

When choosing a library, consider factors such as ease of use, performance, community support, and whether you need advanced features such as handling broken HTML or performing complex DOM manipulations. Many of these libraries, especially those that are part of larger frameworks, will have additional dependencies and may require using Composer to install them.