bccomp
(PHP 4, PHP 5, PHP 7)
bccomp — Compare two arbitrary precision numbers
Description
bccomp ( string $num1 , string $num2 [, int|null $scale = null ] ) : int
Compares the num1
to the num2
and returns the result as an integer.
Parameters
-
num1
-
The left operand, as a string.
-
num2
-
The right operand, as a string.
-
scale
-
The optional
scale
parameter is used to set the number of digits after the decimal place which will be used in the comparison.
Return Values
Returns 0 if the two operands are equal, 1 if the num1
is larger than the num2
, -1 otherwise.
Changelog
Version | Description |
---|---|
8.0.0 | scale is now nullable. |
Examples
Example #1 bccomp() example
<?php echo bccomp('1', '2') . "\n"; // -1 echo bccomp('1.00001', '1', 3); // 0 echo bccomp('1.00001', '1', 5); // 1 ?>
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https://www.php.net/manual/en/function.bccomp.php