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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
(PHP 4 >= 4.0.7, PHP 5)
bool socket_getpeername ( resource socket, string &address [, int &port] )
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.
Parameters
- socket
A valid socket resource created with socket_create() or socket_accept().
- address
If the given socket is of type
AF_INETorAF_INET6, socket_getpeername() will return the peers (remote) IP address in appropriate notation (e.g.127.0.0.1orfe80::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.- port
If given, this will hold the port associated to address.
Return 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.
Notes
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.