What are the php crawler frameworks?

php crawler frameworks include: 1. Goutte, which is a simple, flexible and easy-to-use PHP crawler framework; 2. Simple HTML DOM, which is a DOM parser based on PHP; 3. Symfony Panther, which is A browser automation and crawler framework based on Symfony components; 4. PHPCrawl, a powerful PHP crawler framework; 5. QueryList, a simple and practical PHP collection tool.

The operating environment of this tutorial: windows10 system, php8.1.3 version, DELL G3 computer.

With the rapid development of the Internet, crawler technology has become more and more important. In the world of PHP, there are some powerful and popular crawler frameworks that help developers perform web scraping and data parsing efficiently. This article will introduce several commonly used PHP crawler frameworks.

1. Goutte

Goutte is a simple, flexible and easy-to-use PHP crawler framework, powered by Symfony components. It uses Curl for network requests and HTML parsing. The advantage of Goutte is that it is lightweight, easy to integrate and use, and is suitable for beginners. It can simulate form submission, handle cookies and redirects, and can crawl most web pages.

2. Simple HTML DOM

Simple HTML DOM is a PHP-based DOM parser specially designed for parsing HTML documents. It provides a simple yet powerful set of APIs to locate and extract HTML elements via CSS selectors. Simple HTML DOM is very simple and intuitive to use, suitable for handling small-scale crawling tasks.

3. Symfony Panther

Symfony Panther is a browser automation and crawler framework based on Symfony components. It has Chrome built-in Headless browsers can simulate user operations through programming, such as clicking buttons, filling out forms, etc. Panther supports JavaScript rendering and can parse dynamically generated content. It can also be seamlessly integrated with other Symfony components, providing strong scalability and flexibility.

4. PHPCrawl

PHPCrawl is a powerful PHP crawler framework that can be used for large-scale web crawling. It supports features such as multi-threading, custom linking strategies, and exception handling. A distinctive feature of PHPCrawl is that the crawl results can be saved in a local database or exported to XML format. This framework is suitable for handling massive data crawling and has good scalability.

5. QueryList

QueryList is a simple and practical PHP collection tool. It can combine crawlers and DOM searches and provide chain operations similar to jQuery. grammar. QueryList supports CSS selectors and XPath expressions, which can easily locate and extract HTML elements. It also supports page parsing and JSON/XML data extraction. QueryList has powerful HTTP request capabilities and can handle proxies, cookies, redirects, etc.

Conclusion: The above are several commonly used PHP crawler frameworks. Each framework has its own characteristics and applicable scenarios. Developers can choose the framework that suits them based on their needs and proficiency. Crawler technology is widely used in data collection, information mining and website analysis. I hope this article will be helpful to readers. .

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