对于PHP，最好的事情就是安装一个操作码缓存。
The best thing you can do for PHP is to install an opcode cache.
替代PHP缓存大概是PHP最流行的操作码缓存。
Alternative PHP cache, is probably the most popular opcode cache for PHP.
您的发布版也有可能已经包含了一个操作码缓存，只需安装即可。
It's also possible that your distribution has already packaged an opcode cache, and you just have to install it.
应用推荐