(PHP 4 >= 4.0.4, PHP 5)
gmp_div_qr — Divide numbers and get quotient and remainder
$n
, resource $d
[, int $round = GMP_ROUND_ZERO
] )
The function divides n by d.
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.
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).
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]));
?>