ZMQContext::__construct

(PECL zmq >= 0.5.0)

ZMQContext::__construct — Construct a new ZMQContext object

说明

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.

参数

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.

错误／异常

Throws ZMQContextException if context initialization fails.

范例

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();
?>

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