Output Buffering With PHP - Endgame

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And that's about it. In this article, you learned a little bit about PHP's output control functions, using them to buffer the output of your script until you decide it's safe to display it to the user. You also learned how to erase the contents of the output buffer, retrieve the contents as a string for further processing, and apply user-defined callbacks to the buffer. Finally, this article demonstrated some applications of this technology in a real-world environment, using PHP's output control API to gracefully handle script errors and compress data sent to requesting clients to minimize download time.

More information on the material discussed in this article can be found at:

The PHP manual pages on output buffering, http://www.php.net/manual/en/ref.outcontrol.php

A discussion of HTTP headers, http://www.garshol.priv.no/download/text/http-tut.html

Till next time...stay healthy!

Note: All examples in this article have been tested on Linux/i586 with Apache 1.3.20 and PHP 4.1.1. Examples are illustrative only, and are not meant for a production environment. Melonfire provides no warranties or support for the source code described in this article. YMMV!

DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware.

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