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Make PHP apps fast, faster, fastest, Part 1: Boost performance, throughput with opcode cache software
PHP is a scripting language most often used to create Web applications. It's easy to learn and produces visible results quickly. However, because PHP is interpreted, PHP code is parsed and translated to opcodes every time it executes. An opcode cache eliminates that rework, making PHP applications faster. 		Articles 20 Feb 2007  
 
Make PHP apps fast, faster, fastest, Part 3: Cache your data in memory with the Memcache daemon
This "Make PHP apps fast, faster, fastest" series explores XCache and XDebug, and now the Memcache daemon. The Memcache daemon (memcached) is a high-performance distributed object cache. Installed between your application and your data store, memcached persists your objects in RAM. Each cache hit replaces a roundtrip to a database server, making your application run faster. 		Articles 24 Apr 2007  
 
Make PHP apps fast, faster, fastest, Part 2: Profile your PHP application to find, diagnose, and hasten plodding code
If your PHP application is plodding, use a profiler to measure where time is being spent. You can target the statement, loop, function, class, or library that's most sluggish. If time isn't the issue, but rather memory usage, a good profiler can also reveal component footprints. 		Articles 06 Mar 2007  
 
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