socket_getpeername

(PHP 4 >= 4.1.0, PHP 5)

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] )

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.

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