(PECL zmq >= 0.5.0) Remove item from poll set

(PECL zmq >= 0.5.0) Construct a new device

(PECL zmq >= 0.5.0) Get list of endpoints

(PECL zmq >= 0.5.0) Count items in the poll set

(PECL zmq >= 0.5.0) Get poll errors public

(PECL zmq >= 0.5.0) Poll the items public

(PECL zmq >= 0.5.0) Get the persistent id

(No version information available, might only be in Git) Set the timer callback function

(No version information available, might only be in Git) Set the idle timeout

(PECL zmq >= 1.0.4) Get context option public