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php 查询本机空闲端口

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Release： 2016-06-23 14:21:19
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   我想用php写一个文件返回本机的空闲端口，怎么实现?

回复讨论(解决方案)

netstat -an

netstat -an
我是要写在php文件上的，不是单单的命令行啊

写在 php 里有什么用？php 在服务器上运行，怎么能返回本机的端口？

写在 php 里有什么用？php 在服务器上运行，怎么能返回本机的端口？
菜鸟一枚,,,所以求教大神。就是说只有在shell命令行才能查询？

fsockopen，一个一个端口去尝试。

fsockopen，一个一个端口去尝试。
perfect,我刚做出来就看见你的答案了，谢谢啦！
都是一样思路！


fsockopen，一个一个端口去尝试。
perfect,我刚做出来就看见你的答案了，谢谢啦！
都是一样思路！ 就是效率有点低哈。

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