public function set($key, $value = null)
     {
         if (isset($this->_settings->$key)) {
             $this->_settings->$key = $value;
         }

         return $this->_settings->$key;
     }
public function set($key, $value = null)
     {
         if (isset($this->_settings->$key)) {
             $this->_settings->$key = $value;
         }

         return $this->_settings->$key;
     }
public function set ( $ key , $ value = null ) { if ( isset ( $ this -> _settings -> $ key ) ) { $ this -> _settings -> $ key = $ value ; } return $ this -> _settings -> $ key ; }
sets a setting parameter value

@param string
@param mixed

@return mixed
sets a setting parameter value