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Описание

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

Returns str with all alphabetic characters converted to uppercase.

Список параметров

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.

Возвращаемые значения

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 (?).

Примеры

Пример #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
?>

Смотрите также

mb_strtolower() - Make a string lowercase
mb_convert_case() - Perform case folding on a string
strtoupper() - Преобразует строку в верхний регистр