array_trim - trims given array recursively from empty values

gistfile1.php

// trims given array recursively from empty values
function array_trim($array) {
  foreach ($array as $key => $value):
    if(is_array($value)) {
      $array[$key] = array_trim($value);
      if(!count($array[$key])) unset($array[$key]);
    } else {
      if (empty($value)) unset($array[$key]);
    }
  endforeach;
  return $array;
}