/** * * prepares the values for echo in html * * @param $array * @return null */ public static function prepareForHtml($array) { if (sizeof($array) == 0) { return null; } foreach ($array as $k => $v) { if (is_array($v)) { self::prepareForHtml($v); } else { $array[$k] = StringMethods::prepareForHtml($v); } } return $array; }