FastFeed\FastFeed::retrieve PHP Method

    protected function retrieve($channel)
    {
        $result = array();
        foreach ($this->feeds[$channel] as $feed) {
            $content = $this->get($feed);
            if (!$content) {
                continue;
            }
            $result = array_merge($result, $this->parse($content));
        }
        return $result;
    }