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socket_sendto
Sends a message to a socket, whether it is connected or not
(PHP 4 >= 4.0.7, PHP 5)
int socket_sendto ( resource socket, string buf, int len, int flags, string addr [, int port] )
The function socket_sendto() sends len bytes from buf through the socket socket to the port at the address addr.
Parameters
- socket
A valid socket ressource created using socket_create().
- buf
The sent data will be taken from buffer buf.
- len
len bytes from buf will be sent.
- flags
The value of flags can be any combination of the following flags, joined with the binary OR (
|) operator.Table 299. Possible values for flags
MSG_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.
- addr
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 -1 if an error occured.
Examples
Example 2300. 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);
?>
| socket_send() |