PHP Manual: Remainder of the division of numbers

GMP gmp_div_r(GMPintstring $num1, GMPintstring $num2, int $rounding_mode = GMP_ROUND_ZERO)

Calculates remainder of the integer division of num1 by num2. The remainder has the sign of the num1 argument, if not zero.

num1

The number being divided.

A GMP object, an int or a numeric string.

num2

The number that num1 is being divided by.

A GMP object, an int or a numeric string.

rounding_mode

See the gmp_div_q function for description of the rounding_mode argument.

The remainder, as a GMP number.

Example #1 gmp_div_r example

<?php
$div = gmp_div_r("105", "20");
echo gmp_strval($div) . "\n";
?>

The above example will output:

gmp_div_r