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Multibyte String Funkcje
PHP Manual

# mb_strtoupper

(PHP 4 >= 4.3.0, PHP 5)

mb_strtoupper — Make a string uppercase

### Opis

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

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

### Parametry

`str`

  The string being uppercased.

`encoding`

  Parametr `encoding` określa kodowanie znaków. Jeśli nie jest podany, to zostanie użyta wewnętrzna wartość kodowania zanków.

### Zwracane wartości

`str` with all alphabetic characters converted to uppercase.

### Unikod

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).

### Przykłady

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
?>`

### Patrz także

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

mb_strtolower
mb_strwidth
Multibyte String Funkcje
PHP Manual