PHP Conference Nagoya 2025

    sodium_crypto_pwhash_str_needs_rehash

    (PHP 7 >= 7.2.0, PHP 8)

    sodium_crypto_pwhash_str_needs_rehash — Determine whether or not to rehash a password

    说明

    sodium_crypto_pwhash_str_needs_rehash(string $password, int $opslimit, int $memlimit): bool

    Determine whether or not to rehash a password, based on the current hash opslimit and memlimit.

    参数

    password

    Password hash

    opslimit

    Configured opslimit; see sodium_crypto_pwhash_str()

    memlimit

    Configured memlimit; see sodium_crypto_pwhash_str()

    返回值

    Returns true if the provided memlimit/opslimit do not match what's stored in the hash. Returns false if they match.

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