mb_check_encoding
mb_convert_encoding
Multibyte String Funkcje
PHP Manual

# mb_convert_case

(PHP 4 >= 4.3.0, PHP 5)

mb_convert_case — Perform case folding on a string

### Opis

string mb_convert_case ( string `$str` , int `$mode` = MB_CASE_UPPER [, string `$encoding` = mb_internal_encoding() ] )

Performs case folding on a string , converted in the way specified by `mode`.

### Parametry

`str`

  The string being converted.

`mode`

  The mode of the conversion. It can be one of `MB_CASE_UPPER`, `MB_CASE_LOWER`, or `MB_CASE_TITLE`.

`encoding`

  Parametr `encoding` określa kodowanie znaków. Jeśli nie jest podany, to zostanie użyta wewnętrzna wartość kodowania zanków.

### Zwracane wartości

A case folded version of `string` converted in the way specified by `mode`.

### Kodowanie Unicode

By contrast to the standard case folding functions such as strtolower() and strtoupper(), case folding is performed on the basis of 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/.

### Przykłady

Przykład #1 mb_convert_case() example

`<?php
$str = "mary had a Little lamb and she loved it so";
$str = mb_convert_case($str, MB_CASE_UPPER, "UTF-8");
echo $str; // Prints MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
$str = mb_convert_case($str, MB_CASE_TITLE, "UTF-8");
echo $str; // Prints Mary Had A Little Lamb And She Loved It So
?>`

Przykład #2 mb_convert_case() example with non-Latin UTF-8 text

`<?php
$str = "Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός";
$str = mb_convert_case($str, MB_CASE_UPPER, "UTF-8");
echo $str; // Prints ΤΆΧΙΣΤΗ ΑΛΏΠΗΞ ΒΑΦΉΣ ΨΗΜΈΝΗ ΓΗ, ΔΡΑΣΚΕΛΊΖΕΙ ΥΠΈΡ ΝΩΘΡΟΎ ΚΥΝΌΣ
$str = mb_convert_case($str, MB_CASE_TITLE, "UTF-8");
echo $str; // Prints Τάχιστη Αλώπηξ Βαφήσ Ψημένη Γη, Δρασκελίζει Υπέρ Νωθρού Κυνόσ
?>`

### Zobacz też:

- mb_strtolower() - Make a string lowercase
- mb_strtoupper() - Make a string uppercase
- strtolower() - Zmienia wszystkie litery w łańcuchu na małe
- strtoupper() - Zmienia wszystkie litery w łańcuchu na duże
- ucfirst() - Make a string's first character uppercase
- ucwords() - Uppercase the first character of each word in a string

mb_check_encoding
mb_convert_encoding
Multibyte String Funkcje
PHP Manual