Sleimanx2\Plastic\Searchable::buildDocumentFromArray PHP Method

    protected function buildDocumentFromArray(array $searchable)
    {
        $document = [];
        foreach ($searchable as $value) {
            $result = $this->{$value};
            if ($result instanceof Collection) {
                $result = $result->toArray();
            } elseif ($result instanceof Carbon) {
                $result = $result->toDateTimeString();
            } else {
                $result = $this->{$value};
            }
            $document[$value] = $result;
        }
        return $document;
    }