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    IntlChar::islower

    (PHP 7, PHP 8)

    IntlChar::islower — Check if code point is a lowercase letter

    Açıklama

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

    Determines whether the specified code point has the general category "Ll" (lowercase letter).

    Bilginize:

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

    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 an Ll lowercase letter, false if not. Returns null on failure.

    Örnekler

    Örnek 1 Farklı karakter kodlarının denenmesi

    <?php
    var_dump    (IntlChar::islower("A"));
    var_dump(IntlChar::islower("a"));
    var_dump(IntlChar::islower("Φ"));
    var_dump(IntlChar::islower("φ"));
    var_dump(IntlChar::islower("1"));
    ?>

    Yukarıdaki örneğin çıktısı:

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

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