IntlChar::isblank() - IntlChar类
IntlChar::isblank()
版本:php7
(PHP 7)
Check if code point is a "blank" or "horizontal space" character
说明
publicstaticIntlChar::isblank(mixed $codepoint): boolDetermines whether the specified code point is a "blank" or "horizontal space", a character that visibly separates words on a line.
The following are equivalent definitions:
TRUE
for Unicode White_Space characters except for "vertical space controls" where "vertical space controls" are the following characters: U+000A(LF)U+000B(VT)U+000C(FF)U+000D(CR)U+0085(NEL)U+2028(LS)U+2029(PS)TRUE
for U+0009(TAB)and characters with general category "Zs"(space separators)except Zero Width Space(ZWSP, U+200B).
参数
$codepointThe integer codepoint value(e.g.0x2603forU+2603 SNOWMAN), or the character encoded as a UTF-8 string(e.g."u{2603}")
返回值
Returns TRUE
if$codepointis either a "blank" or "horizontal space" character,FALSE
if not.
范例
Testing different code points
以上例程会输出:
bool(false) bool(true) bool(true)
参见
- 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
- IntlChar::isWhitespace() Check if code point is a whitespace character according to ICU
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