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PHP Manual [Unix Domain: Unix and UDG]

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PHP Manual || List of Supported Socket Transports

unix:// and udg:// (udg:// since PHP 5).

  • unix:///tmp/mysock
  • udg:///tmp/mysock

unix:// provides access to a socket stream connection in the Unix domain. udg:// provides an alternate transport to a Unix domain socket using the user datagram protocol.

Unix domain sockets, unlike Internet domain sockets, do not expect a port number. In the case of fsockopen() the portno parameter should be set to 0.

Note: Unix domain sockets are not supported on Windows.



PHP Manual || List of Supported Socket Transports