removeDiacritics example

/** * {@inheritdoc} */
  public function analyze(string $text, ?string $langcode = NULL): string {
    // Decode entities to UTF-8.     $text = Html::decodeEntities($text);

    // Lowercase.     $text = mb_strtolower($text);

    // Remove diacritics.     $text = $this->transliteration->removeDiacritics($text);

    // Call an external processor for word handling.     $this->invokePreprocess($text, $langcode);

    // Simple CJK handling.     if ($this->configFactory->get('search.settings')->get('index.overlap_cjk')) {
      $text = preg_replace_callback('/[' . self::PREG_CLASS_CJK . ']+/u', [$this, 'expandCjk'], $text);
    }

    // To improve searching for numerical data such as dates, IP addresses     // or version numbers, we consider a group of numerical characters

  public function testRemoveDiacritics($original, $expected) {
    $transliterator_class = new PhpTransliteration();
    $result = $transliterator_class->removeDiacritics($original);
    $this->assertEquals($expected, $result);
  }

  /** * Provides data for self::testRemoveDiacritics(). * * @return array * An array of arrays, each containing the parameters for * self::testRemoveDiacritics(). */
  public function providerTestPhpTransliterationRemoveDiacritics() {