GdThumb::setOptions PHP Method

    public function setOptions($options = array())
    {
        // make sure we've got an array for $this->options (could be null)
        if (!is_array($this->options)) {
            $this->options = array();
        }
        // make sure we've gotten a proper argument
        if (!is_array($options)) {
            throw new InvalidArgumentException('setOptions requires an array');
        }
        // we've yet to init the default options, so create them here
        if (count($this->options) == 0) {
            $defaultOptions = array('resizeUp' => false, 'jpegQuality' => 100, 'correctPermissions' => false, 'preserveAlpha' => true, 'alphaMaskColor' => array(255, 255, 255), 'preserveTransparency' => true, 'transparencyMaskColor' => array(0, 0, 0));
        } else {
            $defaultOptions = $this->options;
        }
        $this->options = array_merge($defaultOptions, $options);
    }