php man page for stream_socket_sendto

STREAM_SOCKET_SENDTO(3) 						 1						   STREAM_SOCKET_SENDTO(3)

stream_socket_sendto - Sends a message to a socket, whether it is connected or not

SYNOPSIS
       int stream_socket_sendto (resource  $socket, string  $data, [int  $flags], [string  $address])

DESCRIPTION
	Sends the specified $data through the $socket.

PARAMETERS
	      o $socket
		- The socket to send $data to.

	      o $data
		- The data to be sent.

	      o $flags
		- The value of $flags can be any combination of the following:

	      possible values for $flags

	      +-----------+----------------------------------+
	      | 	  |				     |
	      |STREAM_OOB |				     |
	      | 	  |				     |
	      | 	  |  Process OOB (out-of-band) data. |
	      | 	  |				     |
	      +-----------+----------------------------------+
	      o $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.

RETURN VALUES
	Returns a result code, as an integer.

EXAMPLES
       Example #1

	      stream_socket_sendto(3) 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);
	      ?>

SEE ALSO 
stream_socket_recvfrom(3), stream_socket_client(3), stream_socket_server(3).
PHP Documentation Group 												   STREAM_SOCKET_SENDTO(3)