(PECL zmq >= 1.0.4)
ZMQSocket::unbind — Unbind the socket
Unbind the socket from an endpoint. The endpoint is defined in format transport://address where transport is one of the following: inproc, ipc, tcp, pgm or epgm.
dsnThe previously bound dsn, for example transport://address.
Returns the current object. Throws ZMQSocketException on error.