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如何知道PHP自带函数底层都做了什么
- WBOYOriginal
- 2016-06-06 20:50:581168browse
该怎么开始呢
回复内容：
该怎么开始呢
1. 下载php源码，先学会编译php
2. 找个教程学习如何写php的扩展，由此切入Zend
3. 找到你想看的内置函数源码。如果不知道在哪里，可以用grep来找。
$ find -name \*.c -exec grep {} -Hne "PHP_FUNCTION (array_push" \;
./ext/standard/array.c:2054:PHP_FUNCTION(array_push)
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