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    IntlChar::getPropertyValueName

    (PHP 7, PHP 8)

    IntlChar::getPropertyValueName — Get the Unicode name for a property value

    Опис

    public static IntlChar::getPropertyValueName(int $property, int $value, int $type = IntlChar::LONG_PROPERTY_NAME): string|false

    Returns the Unicode name for a given property value, as given in the Unicode database file PropertyValueAliases.txt.

    Зауваження:

    Some of the names in PropertyValueAliases.txt can only be retrieved using IntlChar::PROPERTY_GENERAL_CATEGORY_MASK, not IntlChar::PROPERTY_GENERAL_CATEGORY. These include:

    • "C" / "Other"
    • "L" / "Letter"
    • "LC" / "Cased_Letter"
    • "M" / "Mark"
    • "N" / "Number"
    • "P" / "Punctuation"
    • "S" / "Symbol"
    • "Z" / "Separator"

    Параметри

    property

    Властивість Unicode, яка шукається (див. конастанти IntlChar::PROPERTY_*).

    If out of range, or this method doesn't work with the given value, false is returned.

    value

    Selector for a value for the given property. If out of range, false is returned.

    In general, valid values range from 0 up to some maximum. There are a couple exceptions:

    type

    Selector for which name to get. If out of range, false is returned.

    All values have a long name. Most have a short name, but some do not. Unicode allows for additional names; if present these will be returned by adding 1, 2, etc. to IntlChar::LONG_PROPERTY_NAME.

    Значення, що повертаються

    Returns the name, or false if either the property or the type is out of range. Returns null on failure.

    If a given type returns false, then all larger values of type will return false, with one exception: if false is returned for IntlChar::SHORT_PROPERTY_NAME, then IntlChar::LONG_PROPERTY_NAME (and higher) may still return a non-false value.

    Приклади

    Приклад #1 Тестування різних властивостей

    <?php
    var_dump    (IntlChar::getPropertyValueName(IntlChar::PROPERTY_BLOCK, IntlChar::BLOCK_CODE_GREEK));
    var_dump(IntlChar::getPropertyValueName(IntlChar::PROPERTY_BLOCK, IntlChar::BLOCK_CODE_GREEK, IntlChar::SHORT_PROPERTY_NAME));
    var_dump(IntlChar::getPropertyValueName(IntlChar::PROPERTY_BLOCK, IntlChar::BLOCK_CODE_GREEK, IntlChar::LONG_PROPERTY_NAME));
    var_dump(IntlChar::getPropertyValueName(IntlChar::PROPERTY_BLOCK, IntlChar::BLOCK_CODE_GREEK, IntlChar::LONG_PROPERTY_NAME + 1));
    ?>

    Поданий вище приклад виведе:

    string(16) "Greek_And_Coptic"
string(5) "Greek"
string(16) "Greek_And_Coptic"
bool(false)

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