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IntlChar::isWhitespace - Check if code point is a whitespace character according to ICU
Вернуться к: IntlChar
IntlChar::isWhitespace
(PHP 7)
IntlChar::isWhitespace — Check if code point is a whitespace character according to ICU
Описание
Determines if the specified code point is a whitespace character according to ICU.
A character is considered to be a Java whitespace character if and only if it satisfies one of the following criteria:
- It is a Unicode Separator character (categories "Z" = "Zs" or "Zl" or "Zp"), but is not also a non-breaking space (U+00A0 NBSP or U+2007 Figure Space or U+202F Narrow NBSP).
- It is U+0009 HORIZONTAL TABULATION.
- It is U+000A LINE FEED.
- It is U+000B VERTICAL TABULATION.
- It is U+000C FORM FEED.
- It is U+000D CARRIAGE RETURN.
- It is U+001C FILE SEPARATOR.
- It is U+001D GROUP SEPARATOR.
- It is U+001E RECORD SEPARATOR.
- It is U+001F UNIT SEPARATOR.
Список параметров
Возвращаемые значения
Returns TRUE if
codepoint is a whitespace character according to ICU, FALSE if not.
Примеры
Пример #1 Testing different code points
<?php
var_dump(IntlChar::iswhitespace("A"));
var_dump(IntlChar::iswhitespace(" "));
var_dump(IntlChar::iswhitespace("\n"));
var_dump(IntlChar::iswhitespace("\t"));
var_dump(IntlChar::iswhitespace("\u{00A0}"));
?>
Результат выполнения данного примера:
bool(false) bool(true) bool(true) bool(true) bool(false)
Смотрите также
- IntlChar::isspace() - Check if code point is a space character
- IntlChar::isJavaSpaceChar() - Check if code point is a space character according to Java
- IntlChar::isUWhiteSpace() - Check if code point has the White_Space Unicode property
Вернуться к: IntlChar