stream_socket_sendto

(PHP 5, PHP 7, PHP 8)

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

说明

stream_socket_sendto(
    resource $socket,
    string $data,
    int $flags = 0,
    string $address = ""
): int|false

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, 或者在失败时返回 false.

范例

示例 #1 stream_socket_sendto() Example


<?php
/* Open a socket to port 1234 on localhost */
$socket = stream_socket_client('tcp://127.0.0.1:1234');

/* Send ordinary data via ordinary channels. */
fwrite($socket, "Normal data transmit.");

/* Send more data out of band. */
stream_socket_sendto($socket, "Out of Band data.", STREAM_OOB);

/* Close it up */
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

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User Contributed Notes 1 note

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mrforsythexeter at googlemail dot com ¶

8 years ago


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)

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备份地址：http://www.lvesu.com/blog/php/function.stream-socket-sendto.php