International PHP Conference Berlin 2025

IntlChar::isIDIgnorable

(PHP 7, PHP 8)

IntlChar::isIDIgnorableCheck if code point is an ignorable character

Açıklama

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

Determines if the specified character should be regarded as an ignorable character in an identifier.

true for characters with general category "Cf" (format controls) as well as non-whitespace ISO controls (U+0000..U+0008, U+000E..U+001B, U+007F..U+009F).

Bilginize:

Note that Unicode just recommends to ignore Cf (format controls).

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 ignorable in identifiers, false if not. Returns null on failure.

Örnekler

Örnek 1 Farklı karakter kodlarının denenmesi

<?php
var_dump
(IntlChar::isIDIgnorable("A"));
var_dump(IntlChar::isIDIgnorable(" "));
var_dump(IntlChar::isIDIgnorable("\u{007F}"));
?>

Yukarıdaki örneğin çıktısı:

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

Ayrıca Bakınız

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