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(PHP 4, PHP 5, PHP 7, PHP 8)
bccomp — Compare two arbitrary precision numbers
Compares num1 to num2
and returns the result of the comparison as an integer.
num1The left operand, as a string.
num2The right operand, as a string.
scale
This parameter is used to set the number of digits after the decimal place in the result.
If null, it will default to the default scale set with bcscale(),
or fallback to the value of the
bcmath.scale INI directive.
Returns 0 if both operands are equal,
1 if num1 is greater than
num2, -1 otherwise.
This function throws a ValueError in the following cases:
num1 or num2
is not a well-formed BCMath numeric string.
scale is outside the valid range.
| Версія | Опис |
|---|---|
| 8.0.0 |
scale is now nullable.
|
Приклад #1 bccomp() example
<?php
echo bccomp('1', '2') . "\n"; // -1
echo bccomp('1.00001', '1', 3); // 0
echo bccomp('1.00001', '1', 5); // 1
?>