PHP 5.6.0beta1 released

bcsub

(PHP 4, PHP 5)

bcsubSubtract one arbitrary precision number from another

Description

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

Subtracts the right_operand from the left_operand.

Parameters

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().

Return Values

The result of the subtraction, as a string.

Examples

Example #1 bcsub() example

<?php

$a 
'1.234';
$b '5';

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

?>

See Also

  • bcadd() - Add two arbitrary precision numbers

add a note add a note

User Contributed Notes 1 note

up
-10
info at DONOTSPAM dot ict-eagle dot eu
4 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.
To Top