update : 2015.11.03
php.shukuma.com

검색:
 
 
Check if code point has the general category "Lu" (uppercase letter)
IntlChar
PHP Manual

IntlChar::isupper

(PHP 7)

IntlChar::isupper — Check if code point has the general category "Lu" (uppercase letter)

설명

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

Determines whether the specified code point has the general category "Lu" (uppercase letter).

Note:

This misses some characters that are also uppercase but have a different general category value. In order to include those, use IntlChar::isUUppercase().

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 is an Lu uppercase letter, FALSE if not.

예제

Example #1 Testing different code points

<?php
var_dump(IntlChar::isupper("A"));
var_dump(IntlChar::isupper("a"));
var_dump(IntlChar::isupper("Φ"));
var_dump(IntlChar::isupper("φ"));
var_dump(IntlChar::isupper("1"));
?>

위 예제의 출력:

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

참고

IntlChar
PHP Manual