Summary

Phew. Here's a rundown of everything covered in this chapter:

  • How server-side programs let you store information from many users in one place and let you use facilities available to machines running webservers

  • How the server-side language PHP uses variables, if-then clauses, and loops, much like JavaScript does

  • How to use URLs and web forms to send information to server-side PHP programs

  • How to send GET, POST, and HEAD requests to a server-side program

  • How to use PHP and the Snoopy library to contact other webservers

  • How to use PHP to save and read files on webservers

  • How to trick Internet Explorer into not caching your web pages

  • How to share XML information between client-side and server-side programs

Congratulations! You have now learned practically ...

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