function LanguageNegotiationMethodInterface::getLangcode

Performs language negotiation.

@todo Determine whether string|false or string|null should be the normalized result across all implementations and update the

Parameters

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

Return value

string|null|false A valid language code if the negotiation was successful and either NULL or FALSE otherwise.

and its comment accordingly.

See also

https://www.drupal.org/node/3329952

9 methods override LanguageNegotiationMethodInterface::getLangcode()

LanguageNegotiationBrowser::getLangcode in core/modules/language/src/Plugin/LanguageNegotiation/LanguageNegotiationBrowser.php

Performs language negotiation.

LanguageNegotiationContentEntity::getLangcode in core/modules/language/src/Plugin/LanguageNegotiation/LanguageNegotiationContentEntity.php

Performs language negotiation.

LanguageNegotiationSelected::getLangcode in core/modules/language/src/Plugin/LanguageNegotiation/LanguageNegotiationSelected.php

Performs language negotiation.

LanguageNegotiationSession::getLangcode in core/modules/language/src/Plugin/LanguageNegotiation/LanguageNegotiationSession.php

Performs language negotiation.

LanguageNegotiationUI::getLangcode in core/modules/language/src/Plugin/LanguageNegotiation/LanguageNegotiationUI.php

Performs language negotiation.

... See full list

File

core/modules/language/src/LanguageNegotiationMethodInterface.php, line 57

Class

LanguageNegotiationMethodInterface

Interface for language negotiation classes.

Namespace

Drupal\language

Code

public function getLangcode(?Request $request = NULL);