(PHP 4, PHP 5, PHP 7, PHP 8)
bccomp — Compare two arbitrary precision numbers
$num1, string $num2, ?int $scale = null): int
Compares the num1 to the
num2 and returns the result as an
integer.
num1The left operand, as a string.
num2The 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.
Returns 0 if the two operands are equal, 1 if the
num1 is larger than the
num2, -1 otherwise.
| Version | Description |
|---|---|
| 8.0.0 |
scale is now nullable.
|
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
?>