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gmp_div_q

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

gmp_div_qDivide 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:

20
0
1
0
-1

注释

注意:

This function can also be called as gmp_div().

参见

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