src/FACTFinder/Core/ParametersConverter.php
protected function ensureChannelParameter($parameters)
    {
        if (!isset($parameters['channel']) || strlen($parameters['channel']) == 0)
            $parameters['channel'] = $this->configuration->getChannel();
    }
protected function ensureChannelParameter($parameters)
    {
        if (!isset($parameters['channel']) || strlen($parameters['channel']) == 0)
            $parameters['channel'] = $this->configuration->getChannel();
    }
Ensures that the passed parameters object has a "channel" parameter by
adding one if necessary.
@param Parameters $parameters Parameters to be modifier.