IntlChar::isUWhiteSpace
(PHP 7, PHP 8)
IntlChar::isUWhiteSpace — Check if code point has the White_Space Unicode property
Description
$codepoint
): ?boolCheck if a code point has the White_Space Unicode property.
This is the same as IntlChar::hasBinaryProperty($codepoint, IntlChar::PROPERTY_WHITE_SPACE)
Note:
This is different from both IntlChar::isspace() and IntlChar::isWhitespace().
Parameters
-
codepoint
-
The int codepoint value (e.g.
0x2603
for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g."\u"
)
Return Values
Returns true
if
codepoint
has the White_Space Unicode property, false
if not. Returns null
on failure.
Examples
Example #1 Testing different code points
<?php
var_dump(IntlChar::isUWhiteSpace("A"));
var_dump(IntlChar::isUWhiteSpace(" "));
var_dump(IntlChar::isUWhiteSpace("\n"));
var_dump(IntlChar::isUWhiteSpace("\t"));
var_dump(IntlChar::isUWhiteSpace("\u"));
?>
The above example will output:
bool(false) bool(true) bool(true) bool(true) bool(true)
See Also
- IntlChar::isspace() - Check if code point is a space character
- IntlChar::isWhitespace() - Check if code point is a whitespace character according to ICU
- IntlChar::isJavaSpaceChar() - Check if code point is a space character according to Java
- IntlChar::hasBinaryProperty() - Check a binary Unicode property for a code point
IntlChar::PROPERTY_WHITE_SPACE