(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
$socket
,$data
,$length
,$flags
,$address
,$port
= null
The function socket_sendto() sends
length
bytes from data
through the socket socket
to the
port
at the address address
.
socket
A Socket instance created using socket_create().
data
The sent data will be taken from buffer data
.
length
length
bytes from data
will be
sent.
flags
The value of flags
can be any combination of
the following flags, joined with the binary OR (|
)
operator.
MSG_OOB |
Send OOB (out-of-band) data. |
MSG_EOR |
Indicate a record mark. The sent data completes the record. |
MSG_EOF |
Close 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_DONTROUTE |
Bypass routing, use direct interface. |
address
IP address of the remote host.
port
port
is the remote port number at which the data
will be sent.
socket_sendto() returns the number of bytes sent to the
remote host, or false
if an error occurred.
Version | Description |
---|---|
8.0.0 |
socket is a Socket instance now;
previously, it was a resource.
|
8.0.0 |
port is nullable now.
|
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);
?>