PHP 8.4.0 RC4 available for testing

    IntlChar::isprint

    (PHP 7, PHP 8)

    IntlChar::isprint — Check if code point is a printable character

    说明

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

    Determines whether the specified code point is a printable character.

    true for general categories other than "C" (controls).

    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 printable character, false if not. Returns null on failure.

    示例

    示例 #1 Testing different code points

    <?php
    var_dump    (IntlChar::isprint("A"));
    var_dump(IntlChar::isprint(" "));
    var_dump(IntlChar::isprint("\n"));
    var_dump(IntlChar::isprint("\u{200e}"));
    ?>

    以上示例会输出：

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

    参见

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