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    IntlChar::totitle

    (PHP 7, PHP 8)

    IntlChar::totitle — Make Unicode character titlecase

    说明

    public static IntlChar::totitle(int|string $codepoint): int|string|null

    The given character is mapped to its titlecase equivalent. If the character has no titlecase equivalent, the original character itself is returned.

    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 Simple_Titlecase_Mapping of the code point, if any; otherwise the code point itself. Returns null on failure.

    返回类型是 int，如果代码点作为 UTF-8 string 传递，则会返回 string 。失败时返回 null。

    示例

    示例 #1 Testing different code points

    <?php
    var_dump    (IntlChar::totitle("DŽ"));
    var_dump(IntlChar::totitle("dž"));
    var_dump(IntlChar::totitle("Φ"));
    var_dump(IntlChar::totitle("φ"));
    var_dump(IntlChar::totitle("1"));
    var_dump(IntlChar::totitle("ᾳ");
    var_dump(IntlChar::totitle(ord("A")));
    ?>

    以上示例会输出：

    string(1) "Dž"
string(1) "Dž"
string(2) "Φ"
string(2) "φ"
string(1) "1"
string(1) "ᾼ"
int(65)

    参见

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