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unicode
unicode

기타kcharselect unicode block name
Другиеkcharselect unicode block name

아랍 문자kcharselect unicode block name
Арабское письмоkcharselect unicode block name

fribidi is a free implementation of the unicode bidirectional algorithm.
Требования

for more information about the unicode properties, please see http://www.unicode.org/unicode/reports/tr21/.
Пред.

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).
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 (д).