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mb_strwidth> <mb_strtolower
Last updated: Fri, 22 Aug 2008

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mb_strtoupper

(PHP 4 >= 4.3.0, PHP 5)

mb_strtoupperMake a string uppercase

Description

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

Returns str with all alphabetic characters converted to uppercase.

Parameters

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.

Return Values

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).

Examples

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
?>



add a note add a note User Contributed Notes
mb_strtoupper
php at tvartom dot com
27-Sep-2007 04:29
Note:

mb_strtoupper('ÿ') returns '?'
cyril dot legret at free dot no-spam dot fr
26-Feb-2005 05:40
Be careful with htmlentities ...
<?
echo mb_strtoupper("L'&eacute;léphant", "utf-8");
?>
output : L'&EACUTE;LÉPHANT

mb_strwidth> <mb_strtolower
Last updated: Fri, 22 Aug 2008
 
 
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