July 2014
Intermediate to advanced
820 pages
17h 6m
English
Content preview from PHP Cookbook, 3rd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 13. Web Automation
Introduction
Most of the time, PHP is part of a web server, sending content to browsers. Even when you run it from the command line, it usually performs a task and then prints some output. PHP can also be useful, however, playing the role of a web client, retrieving URLs and then operating on the content. Whereas Chapter 14 discusses retrieving URLs from within PHP, this chapter explores how to process the received content.
Recipes through help you manipulate those page contents. Marking Up a Web Page demonstrates how to mark up certain words in a page with blocks of color. This technique is useful for highlighting search terms, for example. Cleaning up HTML so it’s easier to parse and is standards compliant, is the topic of Cleaning Up Broken or Nonstandard HTML. Extracting Links from an HTML File provides a function to find all the links in a page. This is an essential building block for a web spider or a link checker. Converting between plain text and HTML is covered in Recipes and . Removing HTML and PHP Tags shows how to remove all HTML and PHP tags from a web page.
Recipes and discuss how PHP and JavaScript can work together. Responding to an Ajax Request explores using PHP to respond to requests made by JavaScript, in which you have to be concerned about caching and using alternate content types. Integrating with JavaScript provides a full-fledged example of PHP–JavaScript integration using the popular and powerful jQuery toolkit.
Two sample programs ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.