Rename image

gistfile1.php

<?php

  foreach($order->images() as $key => $image) {
    $ext = explode(".", $image->imageName);
    $ext = $ext[count($ext)-1];
    $newName = "NEWFILENAME_".$key.".".$ext;
    
    //rename file from $image->imageName to $newName

    $image->imageName = $newName;
    $image->save();
  }


?>