IntlChar::isULowercase
(PHP 7, PHP 8)
IntlChar::isULowercase — Check if code point has the Lowercase Unicode property
Description
public static IntlChar::isULowercase(int|string
$codepoint): ?boolCheck if a code point has the Lowercase Unicode property.
This is the same as IntlChar::hasBinaryProperty($codepoint, IntlChar::PROPERTY_LOWERCASE)
Note:
This is different than IntlChar::islower() and will return
truefor more characters.
Parameters
-
codepoint -
The int codepoint value (e.g.
0x2603for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g."\u")
Return Values
Returns true if
codepoint has the Lowercase Unicode property, false if not. Returns null on failure.
Examples
Example #1 Testing different code points
<?php
var_dump(IntlChar::isULowercase("A"));
var_dump(IntlChar::isULowercase("a"));
var_dump(IntlChar::isULowercase("Φ"));
var_dump(IntlChar::isULowercase("φ"));
var_dump(IntlChar::isULowercase("1"));
?>
The above example will output:
bool(false) bool(true) bool(false) bool(true) bool(false)
See Also
- IntlChar::islower() - Check if code point is a lowercase letter
- IntlChar::hasBinaryProperty() - Check a binary Unicode property for a code point
IntlChar::PROPERTY_LOWERCASE
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