PHP as a whole consists of 3 modules (Core PHP, Zend Engine and Extension Layer)
PHP总共有三个模块:内核、Zend引擎、以及扩展层;
Here, software such as the Zend Engine takes the time to optimize the opcodes produced during compilation, literally reducing the amount of work that the code performs.
此处,Zend Engine之类的软件会优化编译过程中产生的操作码,这理论上会减少代码执行的工作总量。
Zend Studio ACTS as your control panel, displaying information about the inner machinations of the engine.
Zend Studio作为控制面板,显示关于引擎内部机制的信息。
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