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# socket_getpeername

(PHP 4 >= 4.1.0)

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.

## Description

bool socket_getpeername ( resource socket, string &addr [, int &port])

Warning
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.

If the given socket is of type `AF_INET`, socket_getpeername() will return the peers (remote) IP address in dotted-quad notation (e.g. `127.0.0.1`) 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.

Returns `TRUE` on success or `FALSE` on failure. socket_getpeername() may also return `FALSE` if the socket type is not any of `AF_INET` or `AF_UNIX`, in which case the last socket error code is not updated.

See also socket_getpeername(), socket_last_error() and socket_strerror().

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