Adds an element

# sodium_crypto_core_ristretto255_add

(PHP 8 >= 8.1.0)

sodium_crypto_core_ristretto255_add — Adds an element

### Description

sodium_crypto_core_ristretto255_add(string `$p`, string `$q`): string

Adds an element `q` to `p`. Available as of libsodium 1.0.18.

Warning

This function is currently not documented; only its argument list is available.

### Parameters

`p`
  An element.
`q`
  An element.

### Return Values

Returns a 32-byte random string.

### Examples

Example #1 sodium_crypto_core_ristretto255_add() example

`<?php
$foo = sodium_crypto_core_ristretto255_random();
$bar = sodium_crypto_core_ristretto255_random();
$value = sodium_crypto_core_ristretto255_add($foo, $bar);
$value = sodium_crypto_core_ristretto255_sub($value, $bar);
var_dump(hash_equals($foo, $value));
?>`

The above example will output:

    bool(true)

### See Also

- sodium_crypto_core_ristretto255_random() - Generates a random key
- sodium_crypto_core_ristretto255_sub() - Subtracts an element

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