public function getParam($key)
    {
        if (method_exists($this, 'get'.$key)) {
            return $this->{'get'.$key}();
        }

        // always use uppercase
        $key = strtoupper($key);
        $parameters = array_change_key_case($this->parameters, CASE_UPPER);
        if (!array_key_exists($key, $parameters)) {
            throw new InvalidArgumentException('Parameter ' . $key . ' does not exist.');
        }

        return $parameters[$key];
    }
public function getParam($key)
    {
        if (method_exists($this, 'get'.$key)) {
            return $this->{'get'.$key}();
        }

        // always use uppercase
        $key = strtoupper($key);
        $parameters = array_change_key_case($this->parameters, CASE_UPPER);
        if (!array_key_exists($key, $parameters)) {
            throw new InvalidArgumentException('Parameter ' . $key . ' does not exist.');
        }

        return $parameters[$key];
    }
public function getParam ( $ key ) { if ( method_exists ( $ this , 'get' . $ key ) ) { return $ this -> { 'get' . $ key } ( ) ; } // always use uppercase $ key = strtoupper ( $ key ) ; $ parameters = array_change_key_case ( $ this -> parameters , CASE_UPPER ) ; if ( ! array_key_exists ( $ key , $ parameters ) ) { throw new InvalidArgumentException ( 'Parameter ' . $ key . ' does not exist.' ) ; } return $ parameters [ $ key ] ; }
Retrieves a response parameter
@param string $param
@throws \InvalidArgumentException
Retrieves a response parameter