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    IntlChar::isIDIgnorable

    (PHP 7)

    IntlChar::isIDIgnorable — Check if code point is an ignorable character

    Descrierea

    public static IntlChar::isIDIgnorable ( mixed $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).

    Notă:

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

    Parametri

    codepoint

    Valoarea codepoint de tip integer (de ex. 0x2603 pentru U+2603 SNOWMAN) sau caracterul codificat ca string în UTF-8 (de ex. "\u{2603}")

    Valorile întoarse

    Returns true if codepoint is ignorable in identifiers, false if not.

    Exemple

    Example #1 Testarea diferitor code points

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

    Exemplul de mai sus va afișa:

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

    A se vedea și

    • 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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