bcsub
bcsub
(PHP 4, PHP 5, PHP 7)
bcsub — Subtract one arbitrary precision number from another
Description
string bcsub ( string $left_operand , string $right_operand [, int $scale = 0 ] )
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. If omitted, it will default to the scale set globally with the bcscale() function, or fallback to 0 if this has not been set.
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, $b, 4); // -3.7660 ?>
See Also
- bcadd() - Add two arbitrary precision numbers
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.bcsub.php
