bccomp
(PHP 4, PHP 5, PHP 7, PHP 8)
bccomp — Compare two arbitrary precision numbers
Description
bccomp(string
$num1, string $num2, ?int $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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