PHP 5 Unleashed

Appendix B. HTTP Reference

IN THIS APPENDIX

  • What Is HTTP?

  • PHP Programming Libraries for HTTP Work

  • Understanding an HTTP Transaction

  • HTTP Client Methods

  • What Comes Back: Server Response Codes

  • HTTP Headers

  • Encoding

  • Identifying Clients and Servers

  • The "Referer"

  • Fetching Content from an HTTP Source

  • Media Types

  • Cookies: Preserving State and a Tasty Treat

  • Security and Authorization

  • Client-Side Caching of HTTP Content

In this appendix we'll discuss the HTTP standard from the perspective of a PHP programmer, with a look at the functions and libraries you might use.

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