public function setReverse($reverse)
    {
        if (is_bool($reverse) === true) {
            $this->reverse = $reverse;
        } else {
            $msg = "The 'reverse' argument must be a boolean value, '" . gettype($reverse) . "' given.";
            throw new InvalidArgumentException($msg);
        }
    }
public function setReverse($reverse)
    {
        if (is_bool($reverse) === true) {
            $this->reverse = $reverse;
        } else {
            $msg = "The 'reverse' argument must be a boolean value, '" . gettype($reverse) . "' given.";
            throw new InvalidArgumentException($msg);
        }
    }
public function setReverse ( $ reverse ) { if ( is_bool ( $ reverse ) === true ) { $ this -> reverse = $ reverse ; } else { $ msg = "The 'reverse' argument must be a boolean value, '" . gettype ( $ reverse ) . "' given." ; throw new InvalidArgumentException ( $ msg ) ; } }
Set whether or not the upper and lower bounds are reversed.

@param boolean $reverse
@throws \InvalidArgumentException If $reverse is not a boolean value.
Set whether or not the upper and lower bounds are reversed .