public function setDefaultOptions()
    {
        foreach ($this->_defaultOptions as $k => $v) {
            if (!array_key_exists($k, $this->_options)) {
                $this->_options[$k] = $v;
            }
        }

        return true;
    }
public function setDefaultOptions()
    {
        foreach ($this->_defaultOptions as $k => $v) {
            if (!array_key_exists($k, $this->_options)) {
                $this->_options[$k] = $v;
            }
        }

        return true;
    }
public function setDefaultOptions ( ) { foreach ( $ this -> _defaultOptions as $ k => $ v ) { if ( ! array_key_exists ( $ k , $ this -> _options ) ) { $ this -> _options [ $ k ] = $ v ; } } return true ; }
Set default options.

@return [[@doctodo return_type:setDefaultOptions]] [[@doctodo return_description:setDefaultOptions]]
Set default options .