ZMQContext::__construct

(PECL zmq >= 0.5.0)

ZMQContext::__construct — Construct a new ZMQContext object

Description

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

Constructs a new ZMQ context. The context is used to initialize sockets. A persistent context is required to initialize persistent sockets.

Parameters

io_threads: Number of io-threads in the context.
is_persistent: Whether the context is persistent. Persistent context is stored over multiple requests and is a requirement for persistent sockets.

Errors/Exceptions

Throws ZMQContextException if context initialization fails.

Examples

Example #1 A ZMQContext() example

Construct a new context and allocate request socket from it


<?php
/* Allocate a new context */
$context = new ZMQContext();

/* Create a new socket */
$socket = $context->getSocket(ZMQ::SOCKET_REQ, 'my sock');

/* Connect the socket */
$socket->connect("tcp://example.com:1234");

/* Send a request */
$socket->send("Hello there");

/* Receive back the response */
$message = $socket->recv();
?>