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)
(PHP 5, PHP 7, PHP 8)
stream_socket_sendto — Sends a message to a socket, whether it is connected or not
$socket
,$data
,$flags
= 0,$address
= ""
Sends the specified data
through the
socket
.
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:
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.
Returns a result code, as an integer, або false
в разі помилки.
Приклад #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);
?>
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)