mb_strtoupper

(PHP 4 >= 4.3.0, PHP 5)

mb_strtoupper — Make a string uppercase

Description

string mb_strtoupper ( string $str [, string $encoding= mb_internal_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
?>