mb_strtolower
Note:
mb_strtoupper('ÿ') returns '?'
mb_strtoupper
(PHP 4 >= 4.3.0, PHP 5)
mb_strtoupper — Make a string uppercase
说明
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/.
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
?>
See also strtoupper(), mb_strtolower() and mb_convert_case().
add a note
User Contributed Notesmb_strtoupper
cyril dot legret at free dot no-spam dot fr
26-Feb-2005 05:40
26-Feb-2005 05:40
Be careful with htmlentities ...
<?
echo mb_strtoupper("L'élphant", "utf-8");
?>
output : L'&EACUTE;LPHANT