您的位置:寻梦网首页编程乐园PHP 编程PHP5中文手册
PHP5中文手册

bcmul

(PHP 4, PHP 5)

bcmul — Multiply two arbitrary precision number

说明

string bcmul ( string $left_operand , string $right_operand [, int $scale ] )

Multiply the left_operand by the right_operand .

参数

left_operand

The left operand, as a string.

right_operand

The right operand, as a string.

scale

This optional parameter is used to set the number of digits after the decimal place in the result. You can also set the global default scale for all functions by using bcscale().

返回值

Returns the result as a string.

范例

Example#1 bcmul() example

<?php
echo bcmul('1.34747474747''35'3); // 47.161
echo bcmul('2''4'); // 8
?>

参见