Set limits for transmission if there is another PCs in the Network or... not

transmissionLimit.php

#!/usr/bin/php5 -q
//require https://gist.github.com/725875
<?php
while(true)
{
	$alone = shell_exec('./aloneInTheNetwork.php');
	if ($alone == 'true')
	{
		echo 'go go go!';
		echo shell_exec('transmission-remote localhost:9091 -AS');
	}
	else
	{
		echo 'setting limits...';
		echo shell_exec('transmission-remote localhost:9091 -as');
	}
	sleep(10);
}