ZMQContext::getSocket

(PECL zmq >= 0.5.0)

ZMQContext::getSocket — Create a new socket

说明

public ZMQSocket ZMQContext::getSocket ( integer $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
 
 $context  = new  ZMQContext ();

 
 $socket  =  $context -> getSocket ( ZMQ :: SOCKET_REQ ,  'my sock' );

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

 
 $socket -> send ( "Hello there" );

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

返回值

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