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)
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
string
int
string
): int|false
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
datato. -
data -
The data to be sent.
-
flags -
The value of
flagscan be any combination of the following:possible values for flagsSTREAM_OOBProcess 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.
示例
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() - 创建 Internet 或 Unix 域服务器套接字
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User Contributed Notes 1 note
mrforsythexeter at googlemail dot com ¶
11 years ago
