无题

$arr = range('20000', '65535');
foreach ($arr as $port) {
//    echo 1;
    $fp = @fsockopen('127.0.0.1',$port,$errno,$errstr,0.1);
    if (!$fp) {
        echo $port." closed\n";
    }else{
        echo $port." Opend\n";
    }
}

for($i=0;$i<65535;$i++) {
  $t=file_get_contents('http://127.0.0.1:'.$i);
  if(!strpos(error_get_last()['message'], "Connection refused")) {
    var_dump($i);
  }
}