Php/docs/function.gmp-div-qr

• 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.

PHP 5.5 之前为 GMP 数值资源，PHP 5.6 之后为 GMP 对象或数字，或可以转为数字的字符串。

d

The number that n is being divided by.

PHP 5.5 之前为 GMP 数值资源，PHP 5.6 之后为 GMP 对象或数字，或可以转为数字的字符串。

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