How to use PHP to obtain the computer name and Mac address based on the IP address and check whether the computer with the IP is online?
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First of all, PHP is a server-side scripting language and can only run on the server, which determines that it cannot traverse customer data.
Secondly, according to the http protocol. The client sends a request, and the server responds after receiving it. It cannot actively access the client.
Again, the websoket protocol allows the establishment of a connection with the remote server through JS, allowing two-way communication. It should be possible. .
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