x10 UDP proxy

x10proxy.php

#!/usr/bin/php
<?php

/*
 * Send X10 commands to this proxy script like "!on A4" with the following function
 * 
 * function send_x10_command($msg)
 * {
 * 	$udpstr = serialize(array('command'=>$msg));
 * 	$sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
 * 	socket_sendto($sock, $udpstr, strlen($udpstr), 0, 'example.com', 23456);
 * }
 * 
 */

$socket = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP) or die("Could not create socket\n");

// Listen on all IPs on port 23456
$listen = '0.0.0.0';
$port = 23456;

$bind = socket_bind($socket, $listen, $port) or die("Could not bind to socket\n");
$i = 1;

$input = '';

while( 1 ) {
	$bytes = socket_recvfrom($socket, $input, 1024, 0, $listen, $port);

	if (trim($input) != "") {
		$command = unserialize($input);

		if(preg_match('/!(on|off) ([^ ]+)/', $command['command'], $match)) {
			shell_exec('heyu ' . $match[1] . ' ' . $match[2]);
		}
	} 

	$i++;
} 

socket_close($socket);

?>