List files and folders in the folder

This is easy way to read all file and folder to array, this also check allow extestion file to read.

 class fileEntity{
     public $filename=null;
   public $is_dir=null;
   public function __construct($filename, $filetype) {
       $this->filename = $filename;
         $this->is_dir =$filetype;
   }
}

function listFile($path,$array_allow_file) {  
     $result =array();
     $TrackDir=opendir($path);  
     
     while ($file = readdir($TrackDir)) {  
      
      if ($file == "." || $file == "..") { }  
      else {
            $extesion = end(explode('.', $file));
            if (in_array($extesion, $array_allow_file) ||  is_dir($path.'/'.$file))
            {
            $entity = new fileEntity($file, is_dir($path.'/'.$file));
            array_push($result, $entity);
            }
       } 
     }  
     closedir($TrackDir);  

    return $result;   
}