Emulator Checker

<?php
 class Emu_status {
  public $host;
  public $port;
  public $emusocket;

  public function __construct(){
   $this->host = '127.0.0.1';
   $this->port = 30000;
   $this->emusocket = fsockopen($this->host, $this->port, $errno, $errstr, 10);
  }

  public function emu_ist_an(){
   if($this->emusocket){
    return true;
   }
   return false;
  }
 }
 $emu_status = new Emu_status;

 if($emu_status->emu_ist_an() == true){
  # Der Emulator ist geöffnet
 } else {
  # Der Emulator ist nicht geöffnet
 }
?>