ZMQSocket::connect

(PECL zmq >= 0.5.0)

Connect the socket

public ZMQSocket ZMQSocket::connect ( string $dsn [, boolean $force = false ] )

Connect the socket to a remote endpoint. The endpoint is defined in format transport://address where transport is one of the following: inproc, ipc, tcp, pgm or epgm.

Parameters:

dsn

The connect dsn, for example transport://address.

force

Tries to connect even if the socket has already been connected to given endpoint.

Returns:

Returns the current object. Throws ZMQSocketException on error.

Examples:

A ZMQContext() example

Construct a new context and allocate request socket from it

<?php
/* Server hostname */
$dsn = "tcp://127.0.0.1:5555";
 
/* Create a socket */
$socket = new ZMQSocket(new ZMQContext(), ZMQ::SOCKET_REQ, 'my socket');
 
/* Get list of connected endpoints */
$endpoints = $socket->getEndpoints();
 
/* Check if the socket is connected */
if (!in_array($dsn, $endpoints['connect'])) {
    echo "<p>Connecting to $dsn</p>";
    $socket->connect($dsn);
} else {
    echo "<p>Already connected to $dsn</p>";
}
 
/* Send and receive */
$socket->send("Hello!");
$message = $socket->recv();
 
echo "<p>Server said: {$message}</p>";
?>

Links:

http://php.net/manual/en/zmqsocket.connect.php

doc_php

2025-01-10 15:47:30

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