**`bcadd`** is a function in PHP that adds two arbitrary precision numbers.


# 
## Syntax
```PHP
bcadd(string $num1, string $num2, int $scale = null): string
``` 

## Parameters

* **`num1`** - variable of type `string`.
* **`num2`** - variable of type `string`.
* **`scale`** - variable of type `int`. This is an optional parameter. `scale` is used to set the number of digits after the decimal place in the result.  The default value of `scale` is 0.


## Return value

The `bcadd` function returns the sum of `num1` and `num2`. The value returned is of type `string`.

## Code

<?php
$num1 = '1.34';
$num2 = '4';

echo bcadd($num1, $num2);
echo bcadd($num1, $num2, 2);
?>

What is bcadd in PHP?

bcadd in PHP adds two arbitrary precision numbers, returning the sum as a string.

What is bcadd in PHP?

Syntax

Parameters

Return value

Code

Output