[PHP-NOTES] note 130815 added to function.sodium-add

<?php

$a = "\x01\x00\x00\x00"; // 1 (32-bit little-endian)
$b = "\x02\x00\x00\x00"; // 2 (32-bit little-endian)

echo "Before: " . bin2hex($a) . PHP_EOL;

sodium_add($a, $b);

echo "After:  " . bin2hex($a) . PHP_EOL;

?>

Output:

Before: 01000000
After:  03000000
----
Server IP: 2a03:b0c0:2:f0:0:1:a983:a001 (proxied: BunnyCDN)
Probable Submitter: 49.36.91.224
----
Manual Page -- https://php.net/manual/en/function.sodium-add.php
Edit        -- https://main.php.net/note/edit/130815
Del: integrated  -- https://main.php.net/note/delete/130815/integrated
Del: useless     -- https://main.php.net/note/delete/130815/useless
Del: bad code    -- https://main.php.net/note/delete/130815/bad+code
Del: spam        -- https://main.php.net/note/delete/130815/spam
Del: non-english -- https://main.php.net/note/delete/130815/non-english
Del: in docs     -- https://main.php.net/note/delete/130815/in+docs
Del: other reasons-- https://main.php.net/note/delete/130815
Reject      -- https://main.php.net/note/reject/130815
Search      -- https://main.php.net/manage/user-notes.php