sodium_add
Function  • Params and return types changed in PHP 8.0  
Add large numbers.
sodium_add Function synopsis
sodium_add(string &$string1, string $string2): voidParameters
$string1 
Passed by referenceTypestring
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 
Typestring
String representing an arbitrary-length unsigned integer in little-endian byte order.
Note that the parameter
$string1is passed by reference, and contains additional/updated context data that may be useful.
Return value
The sodium_add function is a void function; it does not return any values.
Changes to the sodium_add Function 
PHP 8.0
- Return type added: void
- Parameter name of parameter #1 changed: $string_1to$string1
- Parameter type added for parameter #1 ($string1):string
- Parameter name of parameter #2 changed: $string_2to$string2
- Parameter type added for parameter #2 ($string2):string
- sodium_add(&$string_1, $string_2)
+ sodium_add(string &$string1, string $string2): voidPHP 7.2
- Function added
sodium_add Function Availability
sodium_add Function Availability| PHP Version | Availability | 
|---|---|
| PHP 8.6Future Release | Yes | 
| PHP 8.5Upcoming Release | Yes | 
| PHP 8.4Supported (Latest) | Yes | 
| PHP 8.3Supported | Yes | 
| PHP 8.2Security-Fixes Only | Yes | 
| PHP 8.1Security-Fixes Only | Yes | 
| PHP 8.0Unsupported | Yes | 
| PHP 7.4Unsupported | Yes | 
| PHP 7.3Unsupported | Yes | 
| PHP 7.2Unsupported | Yes | 
| PHP 7.1Unsupported | No | 
| PHP 7.0Unsupported | No | 
| PHP 5.6Unsupported | No | 
| PHP 5.5Unsupported | No | 
| PHP 5.4Unsupported | No | 
| PHP 5.3Unsupported | No |