Web scraping tutorial

Web scraping (or Web harvesting, Web data extraction) is a computer software technique of extracting information from websites.

I got a freelance work to extract all the hotel information in UK of some city from yellow pages, I wrote a simple php script which uses curl to get the data and parse it using regular expression and extract the require data and populate db, sorry was not aware probably ignored policies.

Now there is a PHP library that facilitates the process of creating web scrapers called Simplehtmldom. More information can be found here.