Statement on glibc/iconv Vulnerability

IntlChar::isbase

(PHP 7, PHP 8)

IntlChar::isbaseCheck if code point is a base character

Açıklama

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

Determines whether the specified code point is a base character. true for general categories "L" (letters), "N" (numbers), "Mc" (spacing combining marks), and "Me" (enclosing marks).

Bilginize:

This is different from the Unicode definition in chapter 3.5, conformance clause D13, which defines base characters to be all characters (not Cn) that do not graphically combine with preceding characters (M) and that are neither control (Cc) or format (Cf) characters.

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 a base character, false if not. Returns null on failure.

Örnekler

Örnek 1 Farklı karakter kodlarının denenmesi

<?php
var_dump
(IntlChar::isbase("A"));
var_dump(IntlChar::isbase("1"));
var_dump(IntlChar::isbase("\u{2603}"));
?>

Yukarıdaki örneğin çıktısı:

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

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