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Last updated: Sat, 27 Jan 2007

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# bcsub

(PHP 3, PHP 4, PHP 5)

bcsub -- Subtract one arbitrary precision number from another

## Description

string bcsub ( string left_operand, string right_operand [, int scale] )

Subtracts the `right_operand` from the `left_operand` and returns the result in a string. The optional `scale` parameter is used to set the number of digits after the decimal place in the result.

## Примеры

Пример 1. bcsub() example

`<?php
$a = '1.234';
$b = '5';
echo bcsub($a, $b); // -3
echo bcsub($a, $b, 4); // -3.7660
?>`

## Смотрите также

bcadd().

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bcompiler bcsqrt

Last updated: Sat, 27 Jan 2007
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Last updated: Sat Mar 10 09:32:46 2007 PST