# sodium_add

(PHP 7 >= 7.2.0, PHP 8)

sodium_add — Add large numbers

### Descripción

sodium_add(string `&$string1`, string `$string2`): void

This adds the parameter `string2` to `string1`, overwriting the value stored in `string1`. This function assumes both parameters are binary strings that represent unsigned integers in little-endian byte order.

### Parámetros

`string1`

  String representing an arbitrary-length unsigned integer in little-endian byte order. This parameter is passed by reference and will hold the sum of the two parameters.

`string2`

  String representing an arbitrary-length unsigned integer in little-endian byte order.

### Valores devueltos

No devuelve ningún valor.