gmp_div_q

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

gmp_div_q — Divide numbers

说明

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

Divides num1 by num2 and returns the integer result.

参数

num1

The number being divided.

GMP 对象或 int ，或数字string。

num2

The number that num1 is being divided by.

GMP 对象或 int ，或数字string。

rounding_mode

The result rounding is defined by the rounding_mode, which can have the following values:

GMP_ROUND_ZERO: The result is truncated towards 0.
GMP_ROUND_PLUSINF: The result is rounded towards +infinity.
GMP_ROUND_MINUSINF: The result is rounded towards -infinity.

GMP 对象或 int ，或数字string。

返回值

GMP 对象。

范例

示例 #1 gmp_div_q() example


<?php
$div1 = gmp_div_q("100", "5");
echo gmp_strval($div1) . "\n";

$div2 = gmp_div_q("1", "3");
echo gmp_strval($div2) . "\n";

$div3 = gmp_div_q("1", "3", GMP_ROUND_PLUSINF);
echo gmp_strval($div3) . "\n";

$div4 = gmp_div_q("-1", "4", GMP_ROUND_PLUSINF);
echo gmp_strval($div4) . "\n";

$div5 = gmp_div_q("-1", "4", GMP_ROUND_MINUSINF);
echo gmp_strval($div5) . "\n";
?>

以上例程会输出：

注释

注意:
This function can also be called as gmp_div().

参见

gmp_div_r() - Remainder of the division of numbers
gmp_div_qr() - Divide numbers and get quotient and remainder

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官方地址：https://www.php.net/manual/en/function.gmp-div-q.php

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gmp_div_q

说明

参数

返回值

范例

注释

参见

User Contributed Notes