ZMQContext::__construct
(PECL zmq >= 0.5.0)
ZMQContext::__construct — Construct a new ZMQContext object
说明
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.
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();
?>
返回值
Throws ZMQContextException if context initialization fails.
