public function setOption($key, $value)
    {
        if ($value === NULL) {
            unset($this->options[$key]);

        } else {
            $this->options[$key] = $value;
        }

        return $this;
    }
public function setOption($key, $value)
    {
        if ($value === NULL) {
            unset($this->options[$key]);

        } else {
            $this->options[$key] = $value;
        }

        return $this;
    }
public function setOption ( $ key , $ value ) { if ( $ value === NULL ) { unset ( $ this -> options [ $ key ] ) ; } else { $ this -> options [ $ key ] = $ value ; } return $ this ; }
Sets user-specific option.
@param string $key
@param mixed $value
@return Action
Sets user - specific option .