TextAnalysis\Indexes\InvertedIndex::addDocument PHP Méthode

    public function addDocument(TokensDocument $document)
    {
        foreach ($document->getDocumentData() as $term) {
            if (isset($this->index[$term])) {
                $this->index[$term][self::FREQ]++;
                $this->index[$term][self::POSTINGS][] = $document->getId();
            } else {
                $this->index[$term] = [self::FREQ => 1, self::POSTINGS => [$document->getId()]];
            }
        }
    }