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Multibyte String Функции
PHP Manual

# mb_strtoupper

(PHP 4 >= 4.3.0, PHP 5)

mb_strtoupper — Make a string uppercase

### Описание

string mb_strtoupper ( string `$str` [, string `$encoding` ] )

Returns `str` with all alphabetic characters converted to uppercase.

### Список параметров

`str`

  The string being uppercased.

`encoding`

  The `encoding` parameter is the character encoding. If it is omitted, the internal character encoding value will be used.

### Возвращаемые значения

`str` with all alphabetic characters converted to uppercase.

### Unicode

For more information about the Unicode properties, please see » http://www.unicode.org/unicode/reports/tr21/.

By contrast to strtoupper(), 'alphabetic' is determined by the Unicode character properties. Thus the behaviour of this function is not affected by locale settings and it can convert any characters that have 'alphabetic' property, such as a-umlaut (ä).

### Примеры

Пример #1 mb_strtoupper() example

`<?php
$str = "Mary Had A Little Lamb and She LOVED It So";
$str = mb_strtoupper($str);
echo $str; // Prints MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
?>`

### Смотрите также

- mb_strtolower()
- mb_convert_case()
- strtoupper()

mb_strtolower
mb_strwidth
Multibyte String Функции
PHP Manual