PHP Conference Nagoya 2025

    sodium_memzero

    (PHP 7 >= 7.2.0, PHP 8)

    sodium_memzero — Overwrite a string with NUL characters

    Description

    sodium_memzero(#[\SensitiveParameter] string &$string): void

    sodium_memzero() zeroes out the string that is passed by reference.

    Parameters

    string

    String.

    Return Values

    No value is returned.

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