(PHP 8 >= 8.4.0)
bcdivmod — Get the quotient and modulus of an arbitrary precision number
Get the quotient and remainder of dividing num1 by
num2.
num1被除数，字符串类型。
num2除数，字符串类型。
scalenull，则使用 bcscale()
设置的默认小数位数，或者回退到 bcmath.scale
INI 指令的值。
Returns an indexed array where the first element is the quotient as a string and the second element is the remainder as a string.
示例 #1 bcdivmod() example
<?php
bcscale(0);
[$quot, $rem] = bcdivmod('5', '3');
echo $quot; // 1
echo $rem; // 2
[$quot, $rem] = bcdivmod('5', '-3');
echo $quot; // -1
echo $rem; // 2
[$quot, $rem] = bcdivmod('-5', '3');
echo $quot; // -1
echo $rem; // -2
[$quot, $rem] = bcdivmod('-5', '-3');
echo $quot; // 1
echo $rem; // -2
?>示例 #2 bcdivmod() with decimals
<?php
[$quot, $rem] = bcdivmod('5.7', '1.3', 1);
echo $quot; // 4
echo $rem; // 0.5
?>