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    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。

    示例

    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";
    ?>

    以上示例会输出：

    20
0
1
0
-1

    注释

    注意:

    This function can also be called as gmp_div().

    参见

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