public function LanguageNegotiator::initializeType in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/language/src/LanguageNegotiator.php \Drupal\language\LanguageNegotiator::initializeType()
2. 10 core/modules/language/src/LanguageNegotiator.php \Drupal\language\LanguageNegotiator::initializeType()

Initializes the specified language type.

Parameters

string $type: The language type to be initialized.

Return value

\Drupal\Core\Language\LanguageInterface[] Returns an array containing a single language keyed by the language negotiation method ID used to determine the language of the specified type. If negotiation is not possible the default language is returned.

Overrides LanguageNegotiatorInterface::initializeType

File

core/modules/language/src/LanguageNegotiator.php, line 125

Class

LanguageNegotiator

Class responsible for performing language negotiation.

Namespace

Drupal\language

Code

public function initializeType($type) {
  $language = NULL;
  if ($this->currentUser) {

    // Execute the language negotiation methods in the order they were set up
    // and return the first valid language found.
    foreach ($this
      ->getEnabledNegotiators($type) as $method_id => $info) {
      if (!isset($this->negotiatedLanguages[$method_id])) {
        $this->negotiatedLanguages[$method_id] = $this
          ->negotiateLanguage($type, $method_id);
      }

      // Since objects are references, we need to return a clone to prevent
      // the language negotiation method cache from being unintentionally
      // altered. The same methods might be used with different language types
      // based on configuration.
      $language = !empty($this->negotiatedLanguages[$method_id]) ? clone $this->negotiatedLanguages[$method_id] : NULL;
      if ($language) {
        $this
          ->getNegotiationMethodInstance($method_id)
          ->persist($language);
        break;
      }
    }
  }
  if (!$language) {

    // If no other language was found use the default one.
    $language = $this->languageManager
      ->getDefaultLanguage();
    $method_id = static::METHOD_ID;
  }
  return [
    $method_id => $language,
  ];
}