自动跑code，往数据库里存好多唯一code

public function run(){
    
  $t = (int)time(); 
  $stop = $t + 5;

  for ($i = 1; ; $i++) {
    if ((int)time() > $stop) {
      break;
    }
    
    $id = $this->index();
    if($i == 1 ){
      $first = $id;
    }
  }
    
  echo "<h1>";
  echo $first;
  echo "<br>";
  echo $id;
  echo "</h1>";
  echo "5秒钟跑了".(int)$id-(int)$first; */
}
    
public function index(){
    
  $code = $this->create_code();
    
  $data['code'] = $code;
  $data['codeurl'] = "http://".$code.".ma.lang100.com/";
  $url = "http://".$code.".ma.lang100.com/";

  $codecode = M('ma')->data(array('code'=>$code,'url'=>$url))->add();
    
  return $codecode; 
}
  
  
  
private function create_code($namespace = '') {
  static $guid = '';
  $uid = uniqid("", true);
  $data = $namespace;
  $data .= $_SERVER['REQUEST_TIME'];
  $data .= $_SERVER['HTTP_USER_AGENT'];
  $data .= $_SERVER['LOCAL_ADDR'];
  $data .= $_SERVER['LOCAL_PORT'];
  $data .= $_SERVER['REMOTE_ADDR'];
  $data .= $_SERVER['REMOTE_PORT'];
  $hash = strtolower(hash('ripemd128', $uid . $guid . md5($data)));
  $guid = substr($hash, 0, 8).substr($hash, 8, 4).substr($hash, 12, 4).substr($hash, 16, 4).substr($hash, 20, 12);
  return $guid;
}