根据ping的返回值判断电脑是否在线

array("192.168.0.118","王五","行政",),
	"name4" =>array("192.168.0.140","李四","财务",),
	"name5" =>array("192.168.0.10","张三","后勤",),
	);

echo ""; 
echo "姓名"; 
echo "部门"; 
echo "状态"; 

foreach ($kkk as $ddd) {
	unset($result);
	exec("ping $ddd[0] -n 1",$result,$rval);
		
	if ($result[3] == $key){
		echo "\n";
		echo "$ddd[1]";
		echo "$ddd[2]";
		echo "离线";
		echo "";
	}else{
		echo "\n";
		echo "$ddd[1]";
		echo "$ddd[2]";
		echo "在线";
		echo "";
	}
}
?>