Php/docs/function.bccomp
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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
<?phpecho bccomp('1', '2') . "\n"; // -1echo bccomp('1.00001', '1', 3); // 0echo bccomp('1.00001', '1', 5); // 1?>
