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ZMQSocketException	ZMQPoll::add

0MQ messaging	Last updated: Mon, 26 Oct 2026

The ZMQPoll class

(PECL zmq >= 0.5.0)

Introduction

Class synopsis

class ZMQPoll {

/* Methods */

public function add(mixed $entry, int $type): string

public function clear(): ZMQPoll

public function count(): int

public function getLastErrors(): array

public function poll(array &$readable, array &$writable, int $timeout = -1): int

public function remove(mixed $item): bool

}

Table of Contents

ZMQPoll::add — Add item to the poll set
ZMQPoll::clear — Clear the poll set
ZMQPoll::count — Count items in the poll set
ZMQPoll::getLastErrors — Get poll errors
ZMQPoll::poll — Poll the items
ZMQPoll::remove — Remove item from poll set

ZMQSocketException	ZMQPoll::add

0MQ messaging	Last updated: Mon, 26 Oct 2026