(PECL zmq >= 0.5.0)
Add item to the poll set
public string ZMQPoll::add ( mixed $entry, integer $type )
Adds a new item to the poll set and returns the internal id of the added item. The item can be removed from the poll set using the returned string id.
Parameters:
entry
ZMQSocket object or a PHP stream resource
type
Defines what activity the socket is polled for. See ZMQ::POLL_IN
and ZMQ::POLL_OUT
constants.
Returns:
Returns a string id of the added item which can be later used to remove the item. Throws ZMQPollException on error.
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