Ogone\Ecommerce\Alias::__construct PHP Method

    public function __construct($alias, $aliasOperation = self::OPERATION_BY_MERCHANT, $aliasUsage = null)
    {
        if (strlen($alias) > 50) {
            throw new InvalidArgumentException("Alias is too long");
        }
        if (preg_match('/[^a-zA-Z0-9_-]/', $alias)) {
            throw new InvalidArgumentException("Alias cannot contain special characters");
        }
        $this->aliasOperation = $aliasOperation;
        $this->aliasUsage = $aliasUsage;
        $this->alias = $alias;
    }