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ZMQException	ZMQContext::__construct

0MQ messaging	Last updated: Mon, 26 Oct 2026

The ZMQContext class

(PECL zmq >= 0.5.0)

Introduction

Class synopsis

class ZMQContext {

/* Methods */

public function __construct(int $io_threads = 1, bool $is_persistent = true)

public function getOpt(string $key): mixed

public function getSocket(int $type, string $persistent_id = null, callable $on_new_socket = null): ZMQSocket

public function isPersistent(): bool

public function setOpt(int $key, mixed $value): ZMQContext

}

Table of Contents

ZMQContext::__construct — Construct a new ZMQContext object
ZMQContext::getOpt — Get context option
ZMQContext::getSocket — Create a new socket
ZMQContext::isPersistent — Whether the context is persistent
ZMQContext::setOpt — Set a socket option

ZMQException	ZMQContext::__construct

0MQ messaging	Last updated: Mon, 26 Oct 2026