PHP Doku:: Make a string uppercase - function.mb-strtoupper.html

Verlauf / Chronik / History: (1) anzeigen

Sie sind hier:
Doku-StartseitePHP-HandbuchFunktionsreferenzUnterstützung menschlicher Sprache und ZeichenkodierungMultibyte StringMultibyte String Funktionenmb_strtoupper

Ein Service von Reinhard Neidl - Webprogrammierung.

Multibyte String Funktionen

<<mb_strtolower

mb_strwidth>>

mb_strtoupper

(PHP 4 >= 4.3.0, PHP 5)

mb_strtoupperMake a string uppercase

Beschreibung

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

Returns str with all alphabetic characters converted to uppercase.

Parameter-Liste

str

The string being uppercased.

encoding

Der encoding Parameter legt das Zeichenencoding fest. Wird er nicht übergeben so wird das interne Zeichenencoding genutzt.

Rückgabewerte

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).

Beispiele

Beispiel #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
?>

Beispiel #2 mb_strtoupper() example with non-Latin UTF-8 text

<?php
$str 
"Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός";
$str mb_strtoupper($str'UTF-8');
echo 
$str// Prints ΤΆΧΙΣΤΗ ΑΛΏΠΗΞ ΒΑΦΉΣ ΨΗΜΈΝΗ ΓΗ, ΔΡΑΣΚΕΛΊΖΕΙ ΥΠΈΡ ΝΩΘΡΟΎ ΚΥΝΌΣ
?>

Siehe auch


4 BenutzerBeiträge:
- Beiträge aktualisieren...
tomasz at trejderowski dot pl
29.12.2010 6:01
Please note, that in many cases, forcing UTF-8 encoding with second parameter is necessary. PHP documentation states that if this parameter is omitted, the internal character encoding value will be used. But in my case it turned out to be not true. Even though I have all my pages encoded in UTF-8 and my DB connection set to force UTF-8 encoding, comparison of user-input and DB-retrieved data, which is using mb_strtoupper, did not work until I forced encoding.
rai at philscan dot com
10.08.2009 2:33
for some reason, there are instances that special characters do show when you use this function, but when you revisit or refresh the page the special characters doesn't appear anymore, ie GRSARMERING is being displayed instead of GRÆSARMERING. You have to provide the second parameter which charset you are using to override the value. in my case it's iso-8859-1, so the function would now look like

mb_strtoupper($foo, 'iso-8859-1')
oriol dot torras at mobifriends dot com
24.11.2008 7:13
UTF-8 does not support html entities
&oacute; is ó in UTF-8
cyril dot legret at free dot no-spam dot fr
25.02.2005 14:40
Be careful with htmlentities ...
<?
echo mb_strtoupper("L'&eacute;lphant", "utf-8");
?>
output : L'&EACUTE;LPHANT



PHP Powered Diese Seite bei php.net
The PHP manual text and comments are covered by the Creative Commons Attribution 3.0 License © the PHP Documentation Group - Impressum - mail("TO:Reinhard Neidl",...)