<?php 
	function checkServer($server, $port) 
	{ 
		preg_match("/^(http:\/\/)?([^\/]+)/i", "$server", $match); 
		$host = $match[2]; 
		preg_match_all("/\.([^\.\/]+)/",$host, $match); 
		
		$matches[0][0] = $matches[1][0]; 
		$host = trim($host); 
		
		$socket = ""; 
		@$socket = fsockopen("$host", $port, $errno, $errstr, 2); 
		if (!$socket) 
			return false;
		else 
		{ 
			fclose($socket); 
			return true;
		} 
	} 
	
	
	$server = "xxx:xxx:xxx:xxx";
	$port = "xxxx";
	if($server!="")
	{ 
		if (checkServer($server,$port))
			echo "עובד";
		else
			echo "לא עובד"; 
	
	} 
?>