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Multibyte String 함수 목록
PHP Manual

# mb_strtoupper

(PHP 4 >= 4.3.0, PHP 5)

mb_strtoupper — Make a string uppercase

### 설명

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

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

### 인수

`str`

  The string being uppercased.

`encoding`

  `encoding` 인수는 문자 인코딩입니다. 생략하면, 내부 문자 인코딩값을 사용합니다.

### 반환값

`str` with all alphabetic characters converted to uppercase.

### 유니코드

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).

### 예제

Example #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
?>`

### 참고

- mb_strtolower() - Make a string lowercase
- mb_convert_case() - Perform case folding on a string
- strtoupper() - 문자열을 대문자로 만듭니다

mb_strtolower
mb_strwidth
Multibyte String 함수 목록
PHP Manual