public function getParameter($name)
    {
        if (!$this->hasParameter($name)) {
            throw new \InvalidArgumentException(sprintf('The parameter "%s" must be defined.', $name));
        }

        return $this->parameters[$name];
    }
public function getParameter($name)
    {
        if (!$this->hasParameter($name)) {
            throw new \InvalidArgumentException(sprintf('The parameter "%s" must be defined.', $name));
        }

        return $this->parameters[$name];
    }
public function getParameter ( $ name ) { if ( ! $ this -> hasParameter ( $ name ) ) { throw new \ InvalidArgumentException ( sprintf ( 'The parameter "%s" must be defined.' , $ name ) ) ; } return $ this -> parameters [ $ name ] ; }
get parameter.

@return mixed
get parameter .