PHP: mb_strtoupper - Manual

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Last updated: Sat, 27 Jan 2007

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# mb_strtoupper

(PHP 4 >= 4.3.0, PHP 5)

mb_strtoupper -- Make a string uppercase

## Description

string mb_strtoupper ( string str [, string encoding] )

mb_strtoupper() returns `str` with all alphabetic characters converted to uppercase.

`encoding` specifies the encoding of `str`; if omitted, the internal character encoding value will be used.

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).

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

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 ?>`

See also strtoupper(), mb_strtolower() and mb_convert_case().

add a note User Contributed Notes
mb_strtoupper
cyril dot legret at free dot no-spam dot fr
25-Feb-2005 01:40
`Be careful with htmlentities ...
<?
echo mb_strtoupper("L'&eacute;l�phant", "utf-8");
?>
output : L'&EACUTE;L�PHANT`
add a note
mb_strwidth mb_strtolower

Last updated: Sat, 27 Jan 2007
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