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bcsub
(PHP 4, PHP 5, PHP 7)
bcsub — Subtract one arbitrary precision number from another
Description
$left_operand
, string $right_operand
[, int $scale = 0
] ) : string
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.
Examples
Example #1 bcsub() example
<?php
$a = '1.234';
$b = '5';
echo bcsub($a, $b); // -3
echo bcsub($a, $b, 4); // -3.7660
?>
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
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References
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