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ZMQContext::getSocket

(PECL zmq >= 0.5.0)

ZMQContext::getSocketCreate a new socket

说明

public ZMQSocket ZMQContext::getSocket ( int $type [, string $persistent_id = NULL [, callback $on_new_socket = NULL ]] )

Shortcut for creating new sockets from the context. If the context is not persistent the persistent_id parameter is ignored and the socket falls back to being non-persistent. The on_new_socket is called only when a new underlying socket structure is created.

参数

type

ZMQ::SOCKET_* constant to specify socket type.

persistent_id

If persistent_id is specified the socket will be persisted over multiple requests.

on_new_socket

Callback function, which is executed when a new socket structure is created. This function does not get invoked if the underlying persistent connection is re-used. The callback takes ZMQSocket and persistent_id as two arguments.

范例

Example #1 A ZMQContext() example

Basic usage

<?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 $socket->recv();
echo 
"Received message: {$message}\n";
?>

返回值

Returns a ZMQSocket object on success. Throws ZMQSocketException on error.

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