Edit Report a Bug

    IntlChar::isISOControl

    (PHP 7, PHP 8)

    IntlChar::isISOControl — Check if code point is an ISO control code

    Descrizione

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

    Determines whether the specified code point is an ISO control code.

    true for U+0000..U+001f and U+007f..U+009f (general category "Cc").

    Elenco dei parametri

    codepoint

    The int codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")

    Valori restituiti

    Returns true if codepoint is an ISO control code, false if not. Returns null on failure.

    Esempi

    Example #1 Testing different code points

    <?php
    var_dump    (IntlChar::isISOControl(" "));
    var_dump(IntlChar::isISOControl("\n"));
    var_dump(IntlChar::isISOControl("\u{200e}"));
    ?>

    Il precedente esempio visualizzerà:

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

    Vedere anche:

    add a note add a note

    User Contributed Notes

    There are no user contributed notes for this page.
    To Top