Hi! I’m going to show you how to build a web crawler in php to search all the links from a particular website - and create a downloadable csv file containing those links. Web Crawlers are bots that are used to search for information from websites by scraping their HTML content. These are the same things used by giant search engines like Google, Yahoo and Bing to find and index fresh contents on the web.
Usually these search engines employ their own bots running 24/7 round the clock and search for new contents to update their huge database. This is the reason you are able to Google literally for any sort of queries and get the answer.
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