store in a directory/files array

this question is related to
https://www.experts-exchange.com/questions/27998415/all-the-files-in-one-folder-and-all-the-files-that-are-in-that-folder.html

function readDirs($path){
  $dirHandle = opendir($path);
  while($item = readdir($dirHandle)) {
    $newPath = $path."/".$item;
    if(is_dir($newPath) && $item != '.' && $item != '..') {
       echo "Found Folder $newPath<br>";
       readDirs($newPath);
    }
    else{
      echo '&nbsp;&nbsp;Found File or .-dir '.$item.'<br>';
    }
  }
}

$path =  "drupal";
echo "$path<br>";

readDirs($path);

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is there a way to put this in an array
so I can differ between
'f'ile
and
'd'ir

and I do a
foreach($array as $key=>$filename){