IntlChar::isblank
(PHP 7)
IntlChar::isblank — Check if code point is a "blank" or "horizontal space" character
Description
public static IntlChar::isblank ( mixed $codepoint ) : bool
Determines 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:
-
truefor 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) -
truefor U+0009 (TAB) and characters with general category "Zs" (space separators) except Zero Width Space (ZWSP, U+200B).
Parameters
-
codepoint -
The int codepoint value (e.g.
0x2603for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g."\u{2603}")
Return Values
Returns true if codepoint is either a "blank" or "horizontal space" character, false if not.
Examples
Example #1 Testing different code points
<?php
var_dump(IntlChar::isblank("A"));
var_dump(IntlChar::isblank(" "));
var_dump(IntlChar::isblank("\t"));
?> The above example will output:
bool(false) bool(true) bool(true)
See Also
- 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
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/intlchar.isblank.php