IntlChar::isJavaSpaceChar

    (PHP 7, PHP 8)

    IntlChar::isJavaSpaceChar — Check if code point is a space character according to Java

    说明

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

    Determine if the specified code point is a space character according to Java.

    true for characters with general categories "Z" (separators), which does not include control codes (e.g., TAB or Line Feed).

    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 true if codepoint is a space character according to Java, false if not. Returns null on failure.

    示例

    示例 #1 Testing different code points

    <?php
    var_dump    (IntlChar::isJavaSpaceChar("A"));
    var_dump(IntlChar::isJavaSpaceChar(" "));
    var_dump(IntlChar::isJavaSpaceChar("\n"));
    var_dump(IntlChar::isJavaSpaceChar("\t"));
    var_dump(IntlChar::isJavaSpaceChar("\u{00A0}"));
    ?>

    以上示例会输出：

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

    参见

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