MongoCursor::convertModifiers PHP Method

    protected function convertModifiers()
    {
        $modifiers = array_key_exists('modifiers', $this->options) ? $this->options['modifiers'] : [];
        foreach (['hint', 'snapshot'] as $modifier) {
            if ($this->{$modifier} === null) {
                continue;
            }
            $modifiers['$' . $modifier] = $this->{$modifier};
        }
        return $modifiers;
    }