IntlChar
PHP Manual

IntlChar::isupper

(PHP 7)

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

Descrierea

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

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
PHP Manual