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(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, 或者在失败时返回 false.
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);
?>
