IntlChar::isspace

    (PHP 7, PHP 8)

    IntlChar::isspace — Check if code point is a space character

    说明

    publicstaticIntlChar::isspace(int|string$codepoint): ?bool

    Determines if the specified character is a space character or not.

    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, false if not. Returns null on failure.

    示例

    示例 #1 Testing different code points

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

    以上示例会输出：

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

    参见

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