(PHP 4, PHP 5, PHP 7, PHP 8)
bcadd — Add two arbitrary precision numbers
num1The left operand, as a string.
num2The right operand, as a string.
scalenull, it will default to the default scale set with bcscale(),
or fallback to the value of the
bcmath.scale INI directive.
The sum of the two operands, as a string.
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.
| Version | Description |
|---|---|
| 8.0.0 |
scale is now nullable.
|
Example #1 bcadd() example
<?php
$a = '1.234';
$b = '5';
echo bcadd($a, $b); // 6
echo bcadd($a, $b, 4); // 6.2340
?>