format_date in core/includes/common.inc

Formats a date, using a date type or a custom date format string.

LocaleTranslationFunctionalTest::testStringSearch in core/modules/locale/tests/locale.test

Tests translation search form.

LocaleTranslationFunctionalTest::testStringTranslation in core/modules/locale/tests/locale.test

Adds a language and tests string translation by users with the appropriate permissions.

locale_translation_filters in core/modules/locale/locale.pages.inc

List locale translation filters that can be applied.

t in core/includes/bootstrap.inc

Translates a string to the current language or to a given language.

_locale_translate_seek in core/modules/locale/locale.pages.inc

Perform a string search and display results in a table