bcfloor

(PHP 8 >= 8.4.0)

bcfloor — Round down arbitrary precision number

bcfloor(string $num): string

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

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

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

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"

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