public function isActive($featureName, DeterminableUserInterface $user = null)
    {
        $feature = $this->getFeature($featureName);
        return $feature->isActive($this, $user);
    }
public function isActive($featureName, DeterminableUserInterface $user = null)
    {
        $feature = $this->getFeature($featureName);
        return $feature->isActive($this, $user);
    }
public function isActive ( $ featureName , DeterminableUserInterface $ user = null ) { $ feature = $ this -> getFeature ( $ featureName ) ; return $ feature -> isActive ( $ this , $ user ) ; }
Checks if a feature is active
@param string $featureName
@param DeterminableUserInterface $user
@return bool
Checks if a feature is active