socket_sendto
(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)
socket_sendto — Sends a message to a socket, whether it is connected or not
Description
Socket
$socket,string
$data,int
$length,int
$flags,string
$address,?int
$port = null): int|false
The function socket_sendto() sends
length bytes from data
through the socket socket to the
port at the address address.
Parameters
-
socket -
A Socket instance created using socket_create().
-
data -
The sent data will be taken from buffer
data. -
length -
lengthbytes fromdatawill be sent. -
flags -
The value of
flagscan be any combination of the following flags, joined with the binary OR (|) operator.Possible values for flagsMSG_OOBSend OOB (out-of-band) data. MSG_EORIndicate a record mark. The sent data completes the record. MSG_EOFClose the sender side of the socket and include an appropriate notification of this at the end of the sent data. The sent data completes the transaction. MSG_DONTROUTEBypass routing, use direct interface. -
address -
IP address of the remote host.
-
port -
portis the remote port number at which the data will be sent.
Return Values
socket_sendto() returns the number of bytes sent to the
remote host, or false if an error occurred.
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
socket is a Socket instance now;
previously, it was a resource.
|
| 8.0.0 |
port is nullable now.
|
Examples
Example #1 socket_sendto() Example
<?php
$sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
$msg = "Ping !";
$len = strlen($msg);
socket_sendto($sock, $msg, $len, 0, '127.0.0.1', 1223);
socket_close($sock);
?>
