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IntlChar::isupper

(PHP 7, PHP 8)

IntlChar::isupperCheck if code point has the general category "Lu" (uppercase letter)

Açıklama

public static IntlChar::isupper(int|string $codepoint): ?bool

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

Bilginize:

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

Bağımsız Değişkenler

codepoint

int türünde Unicode karakter kodu (örn. U+2603 SNOWMAN için 0x2603) veya string türünde Unicode karakter kodu (örn. "\u{2603}")

Dönen Değerler

Returns true if codepoint is an Lu uppercase letter, false if not. Returns null on failure.

Örnekler

Örnek 1 Farklı karakter kodlarının denenmesi

<?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"));
?>

Yukarıdaki örneğin çıktısı:

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

Ayrıca Bakınız

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