Definition for PHP accelerator
A PHP accelerator is an extension is basically created to improve the performance of software applications using the PHP programming language.PHP accelerators work by caching and its compiled bytecode of PHP scripts to keep away from the transparency of parsing and compiling source code on each an every request.It gives best result, if caching is to basically shared memory with direct execution from the shared memory and the minimum of memory copying at runtime.A PHP accelerator typically reduces server load and increases the speed.
The list of PHP accelerators is as follows.
1) Alternative PHP Cache or APC
2) eAccelerator
3) XCache
4) Zend Optimizer
5) Zend Platform
