(PECL zmq >= 0.5.0) Get list of endpoints

(PECL zmq >= 0.5.0) Get the persistent id

(PECL zmq >= 0.5.0) Set a socket option public

(PECL zmq >= 0.5.0) Connect the socket public

(PECL zmq >= 0.5.0) Whether the socket is persistent

(PECL zmq >= 0.5.0) Bind the socket public

(PECL zmq >= 0.8.0) Sends a multipart message

(PECL zmq >= 0.5.0) Get the socket type public

(PECL zmq >= 0.5.0) Receives a message public

(PECL zmq >= 0.8.0) Receives a multipart message