ZMQSocket::getSockOpt

(PECL zmq >= 0.5.0)

ZMQSocket::getSockOpt — Get socket option

public function ZMQSocket::getSockOpt(string $key): mixed

Returns the value of a socket option.

key: An integer representing the option. See the ZMQ::SOCKOPT_* constants.

Returns either a string or an int depending on key. Throws ZMQSocketException on error.