IntlChar::isUUppercase
PHP function
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(PHP 7, PHP 8)
Check if code point has the Uppercase Unicode property
Description
IntlChar::isUUppercase(int|string $codepoint): bool|null
Check if a code point has the Uppercase Unicode property.
This is the same as IntlChar::hasBinaryProperty($codepoint, IntlChar::PROPERTY_UPPERCASE)
Note
This is different than IntlChar::isupper() and will return true for more characters.
Parameters
codepointParameter
Return Values
Returns true if codepoint has the Uppercase Unicode property, false if not. Returns null on failure.
Examples
Example
php
<?php
var_dump(IntlChar::isUUppercase("A"));
var_dump(IntlChar::isUUppercase("a"));
var_dump(IntlChar::isUUppercase("Φ"));
var_dump(IntlChar::isUUppercase("φ"));
var_dump(IntlChar::isUUppercase("1"));
?>The above example will output:
output
bool(true)
bool(false)
bool(true)
bool(false)
bool(false)See Also
IntlChar::isupper()IntlChar::hasBinaryProperty()IntlChar::PROPERTY_UPPERCASE