language_negotiation_configure_form_submit in core/modules/locale/locale.admin.inc

Submit handler for language negotiation settings.

language_negotiation_configure_form_table in core/modules/locale/locale.admin.inc

Helper function to build a language provider table.

language_negotiation_get in core/includes/language.inc

Checks whether a language negotiation provider is enabled for a language type.

language_negotiation_info in core/includes/language.inc

Returns all the defined language negotiation providers.

language_types_initialize in core/includes/language.inc

Chooses a language based on language negotiation provider settings.

LocaleUILanguageNegotiationTest::testUILanguageNegotiation in core/modules/locale/tests/locale.test

Tests for language switching by URL path.

LocaleUninstallFunctionalTest::testUninstallProcess in core/modules/locale/tests/locale.test

Check if the values of the Locale variables are correct after uninstall.

locale_install in core/modules/locale/locale.install

Implements hook_install().

locale_language_selector_form in core/modules/locale/locale.module

Form builder callback to display language selection widget.