PHP Manual
GMP 函数
Divide numbers and get quotient and remainder

gmp_div_qr

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

gmp_div_qr — Divide numbers and get quotient and remainder

说明

gmp_div_qr ( GMP $n , GMP $d [, int $round = GMP_ROUND_ZERO ] ) : array

The function divides n by d.

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

Returns an array, with the first element being [n/d] (the integer result of the division) and the second being (n - [n/d] * d) (the remainder of the division).

范例

Example #1 Division of GMP numbers

 <?php
$a = gmp_init("0x41682179fbf5");
$res = gmp_div_qr($a, "0xDEFE75");
printf("Result is: q - %s, r - %s",
       gmp_strval($res[0]), gmp_strval($res[1]));
?>

参见

gmp_div_q() - Divide numbers
gmp_div_r() - Remainder of the division of numbers

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