SunshinePHP Developer Conference 2015

bcsub

(PHP 4, PHP 5)

bcsubتفریق عدد با دقت دلخواه از عدد دیگر

Description

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

تفریق right_operand از left_operand.

Parameters

left_operand

عملگر چپ به عنوان یک رشته.

right_operand

عملوند سمت راست به عنوان یک رشته.

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().

Return Values

نتیجه تفریق به عنوان یک رشته.

Examples

Example #1 مثال bcsub()

<?php

$a 
'1.234';
$b '5';

echo 
bcsub($a$b);     // -3
echo bcsub($a$b4);  // -3.7660

?>

See Also

  • bcadd() - جمع دو عدد با دقت دلخواه

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User Contributed Notes 1 note

up
-10
info at DONOTSPAM dot ict-eagle dot eu
5 years ago
Note that it is almost useless to put a integer higher than 6 maybe 7 in the scale parameter.

In some cases this might be needed. But for the simple souls, more than 4 is not required in most of the time.
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