(PHP 7)
IntlChar::isULowercase — Check if code point has the Lowercase Unicode property
public static IntlChar::isULowercase ( mixed $codepoint ) : bool
Check if a code point has the Lowercase Unicode property.
This is the same as IntlChar::hasBinaryProperty($codepoint, IntlChar::PROPERTY_LOWERCASE)
Note:
This is different than IntlChar::islower() and will return
truefor more characters.
codepoint
The int codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")
Returns true if codepoint has the Lowercase Unicode property, false if not.
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)
IntlChar::PROPERTY_LOWERCASE
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https://www.php.net/manual/en/intlchar.isulowercase.php