stream_socket_sendto

(PHP 5)

stream_socket_sendto — Sends a message to a socket, whether it is connected or not

说明

int stream_socket_sendto ( resource $socket , string $data [, int $flags = 0 [, string $address ]] )

Sends the specified data through the socket.

参数

socket

The socket to send data to.

data

The data to be sent.

flags

The value of flags can be any combination of the following:

**possible values for `flags`**
`STREAM_OOB`	Process OOB (out-of-band) data.

address

The address specified when the socket stream was created will be used unless an alternate address is specified in address.

If specified, it must be in dotted quad (or [ipv6]) format.

返回值

Returns a result code, as an integer.

范例

Example #1 stream_socket_sendto() Example

  <?php
 
 $socket  =  stream_socket_client ( 'tcp://127.0.0.1:1234' );

 
 fwrite ( $socket ,  "Normal data transmit." );

 
 stream_socket_sendto ( $socket ,  "Out of Band data." ,  STREAM_OOB );

 
 fclose ( $socket );
 ?>

参见

stream_socket_recvfrom() - Receives data from a socket, connected or not
stream_socket_client() - Open Internet or Unix domain socket connection
stream_socket_server() - Create an Internet or Unix domain server socket

用户评论:

[#1] mrforsythexeter at googlemail dot com [2013-07-10 16:07:59]

The return appears to be the size in bytes of the data written to the socket, or -1 on failure (this could be because of non blocking)