bcmod
(PHP 4, PHP 5, PHP 7, PHP 8)
bcmod — Get modulus of an arbitrary precision number
Description
bcmod(string
$num1, string $num2, ?int $scale = null): string
Get the remainder of dividing num1 by
num2.
Unless num2 is zero, the result has the same sign
as num1.
Parameters
-
num1 -
The dividend, as a string.
-
num2 -
The divisor, as a string.
Return Values
Returns the modulus as a string, or null if
num2 is 0.
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
scale is now nullable.
|
| 7.2.0 |
num1 and num2 are no
longer truncated to integer, so now the behavior of
bcmod() follows fmod() rather than
the % operator.
|
| 7.2.0 |
The scale parameter was added.
|
Examples
Example #1 bcmod() example
<?php
bcscale(0);
echo bcmod( '5', '3'); // 2
echo bcmod( '5', '-3'); // 2
echo bcmod('-5', '3'); // -2
echo bcmod('-5', '-3'); // -2
?>
Example #2 bcmod() with decimals
<?php
bcscale(1);
echo bcmod('5.7', '1.3'); // 0.5 as of PHP 7.2.0; 0 previously
?>
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