# gmp_div_r

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

gmp_div_r — Remainder of the division of numbers

### 说明

gmp_div_r ( GMP `$n` , GMP `$d` [, int `$round` = GMP_ROUND_ZERO ] ) : GMP

Calculates remainder of the integer division of `n` by `d`. The remainder has the sign of the `n` argument, if not zero.

### 参数

`n`

  The number being divided.

  可以是一个 GMP 数据 resouce，或一个可以转换为数值的字符串。

`d`

  The number that `n` is being divided by.

  可以是一个 GMP 数据 resouce，或一个可以转换为数值的字符串。

`round`

  See the gmp_div_q() function for description of the `round` argument.

### 返回值

The remainder, as a GMP number.

### 范例

Example #1 gmp_div_r() example

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

以上例程会输出：

    5

### 参见

- gmp_div_q() - Divide numbers
- gmp_div_qr() - Divide numbers and get quotient and remainder