PHP Query Native Idle port

Php

I want to write a file in PHP to return to the local idle port, how to implement?

Reply to discussion (solution)

Netstat-an

Netstat-an
I'm going to write it on a php file, not just the command line.

What's the use of writing in PHP? PHP runs on the server, how can I return to the port of this machine?

What's the use of writing in PHP? PHP runs on the server, how can I return to the port of this machine?
A rookie,,, so ask the great God. That means only the shell command line can query?

Fsockopen, one port to try.

Fsockopen, one port to try.
Perfect, I just made out to see your answer, thank you!
All the same ideas!

Fsockopen, one port to try.
Perfect, I just made out to see your answer, thank you!
All the same ideas! Is that the efficiency is a little low ha.

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