src/Traits/Strings/CardOwnerTrait.php
public function getCardOwner() : ?string 
    {
        if ( ! $this->hasCardOwner()) {
            $this->setCardOwner($this->getDefaultCardOwner());
        }
        return $this->cardOwner;
    }
public function getCardOwner() : ?string 
    {
        if ( ! $this->hasCardOwner()) {
            $this->setCardOwner($this->getDefaultCardOwner());
        }
        return $this->cardOwner;
    }
public function getCardOwner ( ) : ? string { if ( ! $ this -> hasCardOwner ( ) ) { $ this -> setCardOwner ( $ this -> getDefaultCardOwner ( ) ) ; } return $ this -> cardOwner ; }
Get card owner

If no "card owner" value has been set, this method will
set and return a default "card owner" value,
if any such value is available

@see getDefaultCardOwner()

@return string|null card owner or null if no card owner has been set
Get card owner