src/FilterRule/FromTo.php
protected function evaluateUpperBound()
    {
        if (empty($this->upperBound)) {
            return null;
        }

        return $this->executeRule(
            new LessThan($this->getAttribute(), $this->getUpperBound(), $this->isUpperInclusive())
        );
    }
protected function evaluateUpperBound()
    {
        if (empty($this->upperBound)) {
            return null;
        }

        return $this->executeRule(
            new LessThan($this->getAttribute(), $this->getUpperBound(), $this->isUpperInclusive())
        );
    }
protected function evaluateUpperBound ( ) { if ( empty ( $ this -> upperBound ) ) { return null ; } return $ this -> executeRule ( new LessThan ( $ this -> getAttribute ( ) , $ this -> getUpperBound ( ) , $ this -> isUpperInclusive ( ) ) ) ; }
Evaluate the upper bounding of the range.

@return null|\string[]
Evaluate the upper bounding of the range .