10 views 
Summery Summery
Add two numbers (little-endian unsigned), storing the value in the first parameter.
Syntax Syntax
Description Description
This mutates $val.
Parameters Parameters
- $val
-
(Required)
- $addv
-
(Required)
Return Return
(void)
Source Source
File: wp-includes/sodium_compat/src/Compat.php
public static function add(&$val, $addv)
{
$val_len = ParagonIE_Sodium_Core_Util::strlen($val);
$addv_len = ParagonIE_Sodium_Core_Util::strlen($addv);
if ($val_len !== $addv_len) {
throw new SodiumException('values must have the same length');
}
$A = ParagonIE_Sodium_Core_Util::stringToIntArray($val);
$B = ParagonIE_Sodium_Core_Util::stringToIntArray($addv);
$c = 0;
for ($i = 0; $i < $val_len; $i++) {
$c += ($A[$i] + $B[$i]);
$A[$i] = ($c & 0xff);
$c >>= 8;
}
$val = ParagonIE_Sodium_Core_Util::intArrayToString($A);
}