update : 2015.11.03
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Check if code point has the Uppercase Unicode property
IntlChar
PHP Manual

IntlChar::isUUppercase

(PHP 7)

IntlChar::isUUppercase — Check if code point has the Uppercase Unicode property

설명

public static bool IntlChar::isUUppercase ( mixed $codepoint )

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.

인수

codepoint

The integer codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")

반환값

Returns TRUE if codepoint has the Uppercase Unicode property, FALSE if not.

예제

Example #1 Testing different code points

<?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"));
?>

위 예제의 출력:

bool(true)
bool(false)
bool(true)
bool(false)
bool(false)

참고

IntlChar
PHP Manual