sodium_memzero
Function • Misc changes in PHP 8.2
Overwrite a string with NUL characters.
sodium_memzero Function synopsis
sodium_memzero(string &$string): voidParameters
$string
Passed by referenceTypestring
String.
Note that the parameter
$stringis passed by reference, and contains additional/updated context data that may be useful.
Return value
The sodium_memzero function is a void function; it does not return any values.
Changes to the sodium_memzero Function
PHP 8.2
- Attribute added for parameter
$string:#[SensitiveParameter]
PHP 8.0
- Return type added:
void - Parameter name of parameter #1 changed:
$referenceto$string - Parameter type added for parameter #1 (
$string):string
- sodium_memzero(&$reference)
+ sodium_memzero(string &$string): voidPHP 7.2
- Function added
sodium_memzero Function Availability
sodium_memzero 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 |