public function getParamter($key)
    {
        return isset($this->params[$key]) ? $this->params[$key] : null;
    }
public function getParamter($key)
    {
        return isset($this->params[$key]) ? $this->params[$key] : null;
    }
public function getParamter ( $ key ) { return isset ( $ this -> params [ $ key ] ) ? $ this -> params [ $ key ] : null ; }
Get a parameter element

@param string $key
@return string|null
Get a parameter element