Performs language negotiation.

Parameters

\Symfony\Component\HttpFoundation\Request $request: (optional) The current request. Defaults to NULL if it has not been initialized yet.

Return value

string A valid language code or FALSE if the negotiation was unsuccessful.

Overrides LanguageNegotiationMethodInterface::getLangcode

File

core/modules/language/src/Plugin/LanguageNegotiation/LanguageNegotiationSelected.php, line 29

Class

LanguageNegotiationSelected

Class for identifying language from a selected language.

Namespace

Drupal\language\Plugin\LanguageNegotiation

Code

public function getLangcode(Request $request = NULL) {
  $langcode = NULL;
  if ($this->languageManager) {
    $langcode = $this->config
      ->get('language.negotiation')
      ->get('selected_langcode');
  }
  return $langcode;
}

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