Multibyte String Функции
PHP Manual

mb_strtolower

(PHP 4 >= 4.3.0, PHP 5)

mb_strtolowerMake a string lowercase

Описание

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

Returns str with all alphabetic characters converted to lowercase.

Параметри

str

The string being lowercased.

encoding

Параметърът encoding е знаковата кодировка. Ако се пропусне, ще бъде използвана вътрешната знакова кодировка.

Връщани стойности

str with all alphabetic characters converted to lowercase.

Unicode

For more information about the Unicode properties, please see » http://www.unicode.org/unicode/reports/tr21/.

By contrast to strtolower(), '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).

Примери

Example #1 mb_strtolower() example

<?php
$str 
"Mary Had A Little Lamb and She LOVED It So";
$str mb_strtolower($str);
echo 
$str// Prints mary had a little lamb and she loved it so
?>

Вж. също


Multibyte String Функции
PHP Manual