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(PECL zmq >= 0.5.0)
ZMQPoll::add — Add item to the poll set
$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.
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 a string id of the added item which can be later used to remove the item. Throws ZMQPollException on error.