Sokil\Mongo\Cursor::slice PHP Method

    public function slice($field, $limit, $skip = null)
    {
        $limit = (int) $limit;
        $skip = (int) $skip;
        if ($skip) {
            $this->fields[$field] = array('$slice' => array($skip, $limit));
        } else {
            $this->fields[$field] = array('$slice' => $limit);
        }
        $this->skipDocumentPool();
        return $this;
    }