Controller/ReviewController.php
public function isReviewOptInValidationRequired()
    {
        return (bool)\OxidEsales\Eshop\Core\Registry::getConfig()->getConfigParam(self::REVIEW_OPTIN_PARAM);
    }
public function isReviewOptInValidationRequired()
    {
        return (bool)\OxidEsales\Eshop\Core\Registry::getConfig()->getConfigParam(self::REVIEW_OPTIN_PARAM);
    }
public function isReviewOptInValidationRequired ( ) { return ( bool ) \ OxidEsales \ Eshop \ Core \ Registry :: getConfig ( ) -> getConfigParam ( self :: REVIEW_OPTIN_PARAM ) ; }
Check if opt in validation for review is required.

@return bool
Check if opt in validation for review is required .