public function setIncludeUpperBound($includeUpperBound)
    {
        if (is_bool($includeUpperBound)) {
            $this->includeUpperBound = $includeUpperBound;
        } else {
            $msg = "The includeUpperBound argument must be a boolean, '" . gettype($includeUpperBound) . "' given.";
            throw new InvalidArgumentException($msg);
        }
    }
public function setIncludeUpperBound($includeUpperBound)
    {
        if (is_bool($includeUpperBound)) {
            $this->includeUpperBound = $includeUpperBound;
        } else {
            $msg = "The includeUpperBound argument must be a boolean, '" . gettype($includeUpperBound) . "' given.";
            throw new InvalidArgumentException($msg);
        }
    }
public function setIncludeUpperBound ( $ includeUpperBound ) { if ( is_bool ( $ includeUpperBound ) ) { $ this -> includeUpperBound = $ includeUpperBound ; } else { $ msg = "The includeUpperBound argument must be a boolean, '" . gettype ( $ includeUpperBound ) . "' given." ; throw new InvalidArgumentException ( $ msg ) ; } }
Set whether or not the upper bound must be included in the comparison.

@param boolean $includeUpperBound
@throws \InvalidArgumentException If $includeUpperBound is not a boolean.
Set whether or not the upper bound must be included in the comparison .