Chapter 12. Caching Engines
You've done your best to clean up your code and reduce processing load in your PHP scripts, but you just can't seem to make your pages fast enough to keep your users happy. Time to throw in the towel? Not quite—there's more performance you can get out of your LAMP setup, and caching engines will help you do this.
When dealing with different caching solutions for PHP5, you have a handful of choices. A couple of setups actually cache the internally compiled PHP scripts, others cache the generated output, and others still cache the intermediate data processing objects. This chapter introduces you to several caching engines, and can help you decide which one is right for you.
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