yii\base\Model::offsetUnset PHP Méthode

This method is required by the SPL interface [[\ArrayAccess]]. It is implicitly called when you use something like unset($model[$offset]).

public offsetUnset ( mixed $offset )
$offset	mixed	the offset to unset element

    public function offsetUnset($offset)
    {
        $this->{$offset} = null;
    }

Model