PHP - Manual: bcfloor
2025-10-23
(PHP 8 >= 8.4.0)
bcfloor — Round down arbitrary precision number
Returns the next lowest integer value by rounding down
num if necessary.
num
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.
示例 #1 bcfloor() example
<?php
var_dump(bcfloor('4.3'));
var_dump(bcfloor('9.999'));
var_dump(bcfloor('-3.14'));
?>以上示例会输出:
string(1) "4" string(1) "9" string(2) "-4"