bcsub
(PHP 4, PHP 5)
bcsub — Subtract one arbitrary precision number from another
Description
string bcsub
( string $left_operand
, string $right_operand
[, int $scale
] )
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 substraction, as a string.
Examples
Example #1 bcsub() example
<?php
$a = '1.234';
$b = '5';
echo bcsub($a, $b); echo bcsub($a, $b, 4); ?>
BC Math Functions
