Gravity Forms get all fields function to use with gform_after_submission to display just filled out fields

Gravity Forms get all fields function

function get_all_fields($entry, $form)
{
    //only do this for a certain form (id 53 for example)
   // if ($form["id"] == 17)
    //{
 
        foreach($form["fields"] as &$field)
        {
            //see if this is a multi-field, like name or address
            if (is_array($field["inputs"]))
            {
                //loop through inputs
                foreach($field["inputs"] as &$input)
                {
                    $label = $input["label"];
                    //get value from entry object; change the id to a string
                    $value = $entry[strval($input["id"])];

                    if (!empty($value)) {
                       $output .= $label . ':' . $value . ' '; 
                    }
                    

                    //print_r($output);
                }
            }
            else
            {
                $label = $field["label"];
                //get value from entry object
                $value = $entry[$field["id"]];

            
                if (!empty($value)) {
                   $output .= $label . ':' . $value . ' '; 
                }

                //print_r($output);
            }

            
        }
        //print_r($output);
        return $output;
   // }
}