Bạn đang xem: Creating a simple web crawler in phpIt"s also called web crawling or web data extraction.
PHP is a widely used back-end scripting language for creating dynamic websites and web applications. And you can implement a website scraper using plain PHP code.
But since we do not want to lớn reinvent the wheel, we can leverage some readily available open-source PHP website scraping libraries khổng lồ help us collect our data.
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In this tutorial, we will be discussing the various tools & services you can use with PHP khổng lồ scrap a website page. The tools we will discuss are Guzzle, Goutte, Simple HTML DOM, and the headless browser Symfony Panther.
Note: before you scrape a website, you should carefully read their Terms of Service lớn make sure they are OK with being scraped. Scraping data – even if it"s publicly accessible – can potentially overload a website"s servers. (Who knows – if you ask politely, they may even give you an API key so you don"t have to lớn scrape.