public function getParameter($name, $default = NULL)
	{
		if (isset($this->params[$name])) {
			return $this->params[$name];

		} else {
			return $default;
		}
	}
public function getParameter($name, $default = NULL)
	{
		if (isset($this->params[$name])) {
			return $this->params[$name];

		} else {
			return $default;
		}
	}
public function getParameter ( $ name , $ default = NULL ) { if ( isset ( $ this -> params [ $ name ] ) ) { return $ this -> params [ $ name ] ; } else { return $ default ; } }
Returns component param.
@param  string key
@param  mixed  default value
@return mixed
Returns component param .