Get up and running with the basic techniques of web scraping using PHP
- Learn something new in an Instant! A short, fast, focused guide delivering immediate results
- Build a re-usable scraping class to expand on for future projects
- Scrape, parse, and save data from any website with ease
- Build a solid foundation for future web scraping topics
With the proliferation of the web, there has never been a larger body of data freely available for common use. Harvesting and processing this data can be a time consuming task if done manually. However, web scraping can provide the tools and framework to accomplish this with the click of a button. It's no wonder, then, that web scraping is a desirable weapon in any programmer's arsenal.
Instant Web Scraping With PHP How-to uses practical examples and step-by-step instructions to guide you through the basic techniques required for web scraping with PHP. This will provide the knowledge and foundation upon which to build web scraping applications for a wide variety of situations such as data monitoring, research, data integration relevant to today's online data-driven economy.
On setting up a suitable PHP development environment, you will quickly move to building web scraping applications. Beginning with a simple task of retrieving a single web page, you will then gradually build on this by learning various techniques for identifying specific data, crawling through numerous web pages to retrieve large volumes of data, and processing then saving it for future use. You will learn how to submit login forms for accessing password protected areas, along with downloading images, documents, and emails. Learning to schedule the execution of scrapers achieves the goal of complete automation, and the final introduction of basic object-oriented programming (OOP) in the development of a scraping class provides the template for future projects.
Armed with the skills learned in the book, you will be set to embark on a wide variety of web scraping projects.
Table of contents
Instant PHP Web Scraping
- Instant PHP Web Scraping
- About the Author
- About the Reviewers
1. Instant PHP Web Scraping
- Preparing your development environment (Simple)
- Making a simple cURL request (Simple)
- Scraping elements using XPath (Simple)
- The custom scraping function (Simple)
- Scraping and saving images (Simple)
- Submitting a form using cURL (Intermediate)
- Traversing multiple pages (Intermediate)
- Saving scraped data to a database (Intermediate)
- Scheduling scrapes (Simple)
- Building a reusable scraping class (Advanced)
- Title: Instant PHP Web Scraping
- Release date: July 2013
- Publisher(s): Packt Publishing
- ISBN: 9781782164760
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