mb_strtoupper
- Синтаксис
-
native mb_strtoupper(string[], maxlength = 0);
| Переменная | Описание |
|---|---|
| string |
The string to convert. |
| maxlength |
Optional size of the buffer. If 0, the length of the original string will be used instead. |
- Описание
- Performs a multi-byte safe (UTF-8) conversion of all chars in string to upper case.
- Пометка
-
Although most code points can be converted in-place, there are notable exceptions and the final length can vary.
- Пометка
-
Case mapping is not reversible. That is, toUpper(toLower(x)) != toLower(toUpper(x)).
- Возвращает
- Number of bytes written.