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    bcfloor

    (PHP 8 >= 8.4.0)

    bcfloor — Round down arbitrary precision number

    説明

    bcfloor(string $num): string

    Returns the next lowest integer value by rounding down num if necessary.

    パラメータ

    num
    The value to round.

    戻り値

    Returns a numeric string representing num rounded down to the nearest integer.

    エラー / 例外

    This function throws a ValueError if num is not a well-formed BCMath numeric string.

    例

    例1 bcfloor() example

    <?php
    var_dump    (bcfloor('4.3'));
    var_dump(bcfloor('9.999'));
    var_dump(bcfloor('-3.14'));
    ?>

    上の例の出力は以下となります。

    string(1) "4"
string(1) "9"
string(2) "-4"

    参考

    • bcceil() - Round up arbitrary precision number
    • bcround() - Round arbitrary precision number

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