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PHP 5 Power Programming by Derick Rethans, Stig Sæther Bakken, Andi Gutmans

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14.1. Introduction

Any application has goals in terms of performance. There will always be resource constraints such as CPU, memory, disk throughput, and so on. If your site is expecting significant amounts of traffic (millions of page views per day), you should spend some time on different aspects of performance tuning.

After you finish reading this chapter, you will have learned how to

  • Design high-performance PHP applications

  • Use different types of caching methods

  • Profile PHP code

  • Work with code and database optimization

  • Optimize PHP itself

  • Tune the web server and operating system

This chapter's goal is to help you to use PHP to its fullest to build cost-efficient applications.

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