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怎么样的学习php内核？

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Release： 2016-06-06 20:48:53
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怎么样的学习php内核？

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怎么样的学习php内核？

开源文档 《深入PHP内核》http://www.php-internals.com/

1.首先最基本的应该搞清楚一个http请求的流程，以apache为例，启动apache的时候mod-php怎么初始化PHP,怎么初始化ZEND引擎，apache加载mod_php与SAPI之间的关系
2.PHP的执行，比如词法分析，语法分析，生成opcode的过程
3.变量和函数的内部结构，类和面向对象的实现
4.内存管理（垃圾回收，写时复制等）
5.底层错误与异常的处理
6.核心的zend虚拟机

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