# 3.2.0 (unreleased) ## Overview * Minimum PHP version raised to 5.3.3 * DataObject::validate() method visibility changed to public ## Changelog ### DataObject::validate() method visibility changed to public The visibility of `DataObject::validate()` has been changed from `protected` to `public`. Any existing classes that currently set this as `protected` should be changed like in this example: ::php class MyDataClass extends DataObject { ... public function validate() { ... } ... } ### Bugfixes