WellCommerce\Bundle\CouponBundle\Entity\CouponInterface::getValidFrom PHP Method

    public function getValidFrom();

 /**
  * Checks whether the coupon's start date is valid
  *
  * @return bool
  */
 protected function isStartDateValid()
 {
     $now = new \DateTime();
     $couponStartDate = $this->coupon->getValidFrom();
     if ($couponStartDate instanceof \DateTime) {
         return $now >= $couponStartDate;
     }
     return true;
 }