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gmp_div_qr

(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

gmp_div_qrDivide numbers and get quotient and remainder

说明

gmp_div_qr(GMP|int|string $num1, GMP|int|string $num2, int $rounding_mode = GMP_ROUND_ZERO): array

The function divides num1 by num2.

参数

num1

The number being divided.

GMP 对象、intstring,可以按照跟在 gmp_init() 中使用字符串并自动检测 base(即当 base 等于 0 时)相同的逻辑将其解释为数字。

num2

The number that num1 is being divided by.

GMP 对象、intstring,可以按照跟在 gmp_init() 中使用字符串并自动检测 base(即当 base 等于 0 时)相同的逻辑将其解释为数字。

rounding_mode

See the gmp_div_q() function for description of the rounding_mode 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).

示例

示例 #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

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