Yii HTML 4

Mar 18, 2026

Yii HTML version 4 was released. In this version:

Allow passing int, float and null as tag content
Throw LogicException in Tag::id() when id is empty string
Remove tag attributes sorting
Make all CheckboxItem and RadioItem properties required
Rename $options parameter to $attributes in Html::addCssClass(), Html::removeCssClass(), Html::addCssStyle() and Html::removeCssStyle() methods

See upgrading instructions with notes about upgrading package in your application to this major version.