- backdrop_strlen in includes/
unicode.inc - Counts the number of characters in a UTF-8 string.
- backdrop_strtolower in includes/
unicode.inc - Lowercase a UTF-8 string.
- backdrop_strtoupper in includes/
unicode.inc - Uppercase a UTF-8 string.
- backdrop_substr in includes/
unicode.inc - Cuts off a piece of a string based on character indices and counts.
- _unicode_check in includes/
unicode.inc - Perform checks about Unicode support in PHP, and set the right settings if needed.
- unicode_requirements in includes/
unicode.inc - Returns Unicode library status and errors.
- UnicodeUnitTest::testMbStringUnicode in modules/
simpletest/ tests/ unicode.test - Test full unicode features implemented using the mbstring extension.
- views_handler::case_transform in modules/
views/ includes/ handlers.inc - Transform a string by a certain method.