yii\caching\ChainedDependency::generateDependencyData PHP Method

generateDependencyData() protected method

This method does nothing in this class.
protected generateDependencyData ( Cache $cache ) : mixed
$cache Cache the cache component that is currently evaluating this dependency
return mixed the data needed to determine if dependency has been changed.
    protected function generateDependencyData($cache)
    {
        return null;
    }