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
scaleparameter 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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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.bccomp.php