Arcanedev\SeoHelper\Entities\Keywords::set PHP Method

    public function set($content)
    {
        if (is_string($content)) {
            $content = explode(',', $content);
        }
        if (!is_array($content)) {
            $content = (array) $content;
        }
        $this->content = array_map(function ($keyword) {
            return $this->clean($keyword);
        }, $content);
        return $this;
    }