With more than six million Internet domains which use it, that is to say close to one Web server on four in the world, PHP is the application server in free licence most widespread in the world. The complete rewriting of the engine of PHP 4.0 by the team of Zend made it more powerful. New architecture functions now a little like a Java applications server. The whole source code of a script is initially precompiled, then, in a second time, executed. By searching the Web, I noted that there were additional solutions of caching. There are two categories: pages caching. opcodes caching. Contact - version française
