Check errors uploading file

gistfile1.php

$message = 'Error uploading file';

switch( $_FILES['file']['error'] ) {
    case UPLOAD_ERR_OK:
        $message = false;;
        break;
    case UPLOAD_ERR_INI_SIZE:
    case UPLOAD_ERR_FORM_SIZE:
        $message .= ' - file too large (limit of '. ini_get('upload_max_filesize') .' bytes).';
        break;
    case UPLOAD_ERR_PARTIAL:
        $message .= ' - file upload was not completed.';
        break;
    case UPLOAD_ERR_NO_FILE:
        $message .= ' - zero-length file uploaded.';
        break;
    default:
        $message .= ' - internal error #'.$_FILES['file']['error'];
        break;
}

if( !$message ) {
  if( !is_uploaded_file($_FILES['file']['tmp_name']) ) {
    $message = 'Error uploading file - unknown error.';
  } else {
    $dest .= '/'; // folder path
  if( !move_uploaded_file($_FILES['file']['tmp_name'], $dest) ) { // No error supporession so we can see the underlying error.
    $message = 'Error uploading file - could not save upload (this will probably be a permissions problem in '.$dest.')';
  } else {
    $message = 'File uploaded okay.';
  }
}

echo $message;