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1.5 Chapter Summary

Chapter 1 covers:

  • PHP's usage by a web server to create a response or document to send back to the browser.

  • PHP as a server-side language, meaning it runs on the web server. This is in contrast to a client-side language such as JavaScript.

  • What you sign up for when you decide to use PHP: it's free (in terms of money and speech), cross-platform, popular, and designed for web programming.

  • How PHP programs that print information, process forms, and talk to a database appear.

  • Some basics of the structure of PHP programs, such as the PHP start and end tags (<?php and ?>), whitespace, case-sensitivity, and comments.

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