socket_getpeername --
Queries the remote side of the given socket which may either result in host/port
or in a Unix filesystem path, dependent on its type
If the given socket is of type AF_INET
or AF_INET6, socket_getpeername()
will return the peers (remote) IP address in appropriate notation (e.g.
127.0.0.1 or fe80::1) in the
address parameter and, if the optional
port parameter is present, also the associated port.
If the given socket is of type AF_UNIX,
socket_getpeername() will return the Unix filesystem
path (e.g. /var/run/daemon.sock) in the
address parameter.
Note: socket_getpeername() should not be used with
AF_UNIX sockets created with socket_accept().
Only sockets created with socket_connect() or a primary
server socket following a call to socket_bind() will return
meaningful values.
Returns TRUE on success or FALSE on failure. socket_getpeername() may also return
FALSE if the socket type is not any of AF_INET,
AF_INET6, or AF_UNIX, in which
case the last socket error code is not updated.
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Php socket getpeername syntax tutorial
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