IntlChar::getBlockCode

    (PHP 7, PHP 8)

    IntlChar::getBlockCode — Get the Unicode allocation block containing a code point

    说明

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

    Returns the Unicode allocation block that contains the character.

    参数

    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}")

    返回值

    Returns the block value for codepoint. See the IntlChar::BLOCK_CODE_* constants for possible return values. Returns null on failure.

    示例

    示例 #1 Testing different code points

    <?php
    var_dump    (IntlChar::getBlockCode("A") === IntlChar::BLOCK_CODE_BASIC_LATIN);
    var_dump(IntlChar::getBlockCode("Φ") === IntlChar::BLOCK_CODE_GREEK);
    var_dump(IntlChar::getBlockCode("\u{2603}") === IntlChar::BLOCK_CODE_MISCELLANEOUS_SYMBOLS);
    ?>

    以上示例会输出：

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

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