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    IntlChar::isIDIgnorable

    (PHP 7, PHP 8)

    IntlChar::isIDIgnorable — Check 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

    • IntlChar::isIDStart() - Check if code point is permissible as the first character in an identifier
    • IntlChar::isIDPart() - Check if code point is permissible in an identifier
    • IntlChar::PROPERTY_DEFAULT_IGNORABLE_CODE_POINT

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