IntlChar::isupper

(PHP 7)

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

Descrierea

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

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

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

Parametri

codepoint: Valoarea codepoint de tip integer (de ex. 0x2603 pentru U+2603 SNOWMAN) sau caracterul codificat ca string în UTF-8 (de ex. "\u{2603}")

Valorile întoarse

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

Exemple

Example #1 Testarea diferitor 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"));
?>

Exemplul de mai sus va afișa:

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

A se vedea și

IntlChar::islower() - Check if code point is a lowercase letter
IntlChar::istitle() - Check if code point is a titlecase letter
IntlChar::tolower() - Make Unicode character lowercase
IntlChar::toupper() - Make Unicode character uppercase
IntlChar::PROPERTY_UPPERCASE

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