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bcadd

(PHP 4, PHP 5, PHP 7)

bcadd — Add two arbitrary precision numbers

Description

bcadd ( string $num1 , string $num2 [, int|null $scale = null ] ) : string

Sums num1 and num2.

Parameters

num1: The left operand, as a string.
num2: The right operand, as a string.
scale: This optional parameter is used to set the number of digits after the decimal place in the result. If omitted, it will default to the scale set globally with the bcscale() function, or fallback to 0 if this has not been set.

Return Values

The sum of the two operands, as a string.

Changelog

Version	Description
8.0.0	`scale` is now nullable.

Examples

Example #1 bcadd() example

<?php

$a = '1.234';
$b = '5';

echo bcadd($a, $b);     // 6
echo bcadd($a, $b, 4);  // 6.2340

?>

See Also

bcsub() - Subtract one arbitrary precision number from another

© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.bcadd.php