socket_sendto
Sends a message to a socket, whether it is connected or not
Description
intfalse socket_sendto(
Socket $socket
,
string $data
,
int $length
,
int $flags
,
string $address
,
intnull $port
= null
)
Parameters
-
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.
Possible values for flags
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.
Return Values
socket_sendto returns the number of bytes sent to the
remote host, or false
if an error occurred.
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);
?>