dual

	$hosts = array (	
		"host.domain.com",
		"host1.domain.com"
	)

	 $ports = array (
	 				"8080",
					"8081"
					)
		
foreach ($hosts as $host) {
				foreach ($ports as $port) {
										
    if(fsockopen($host, $port)) 
    {
    echo "$host:$port is up!\n";
    }
    else
    {
    echo "$host:$port is NOT up!\n";
    }
    ?>