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    IntlChar::ord

    (PHP 7, PHP 8)

    IntlChar::ord — Return Unicode code point value of character

    说明

    public static IntlChar::ord(int|string $character): ?int

    Returns the Unicode code point value of the given character.

    This function complements IntlChar::chr().

    参数

    character

    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 Unicode code point value as an integer.

    示例

    示例 #1 Testing different code points

    <?php
    var_dump    (IntlChar::ord("A"));
    var_dump(IntlChar::ord(" "));
    var_dump(IntlChar::ord("\u{2603}"));
    ?>

    以上示例会输出：

    int(65)
int(32)
int(9731)

    参见

    • IntlChar::chr() - Return Unicode character by code point value
    • mb_ord() - 获取字符的 Unicode 码位值
    • ord() - 转换字符串第一个字节为 0-255 之间的值

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