BCSUB(3) 1 BCSUB(3)
bcsub - Subtract one arbitrary precision number from another
SYNOPSIS
string bcsub (string $left_operand, string $right_operand, [int $scale = int])
DESCRIPTION
Subtracts the $right_operand from the $left_operand.
PARAMETERS
o $left_operand
- The left operand, as a string.
o $right_operand
- The right operand, as a string.
o $
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(3).
RETURN VALUES
The result of the subtraction, as a string.
EXAMPLES
Example #1
bcsub(3) example
<?php
$a = '1.234';
$b = '5';
echo bcsub($a, $b); // -3
echo bcsub($a, $b, 4); // -3.7660
?>
SEE ALSO
bcadd(3).
PHP Documentation Group BCSUB(3)
