(PHP 5 >= 5.5.0)
password_needs_rehash — Checks if the given hash matches the given options
$hash
, string $algo
[, string $options
] )This function checks to see if the supplied hash implements the algorithm and options provided. If not, it is assumed that the hash needs to be rehashed.
hash
A hash created by password_hash().
algo
A password algorithm constant denoting the algorithm to use when hashing the password.
options
An associative array containing options. See the password algorithm constants for documentation on the supported options for each algorithm.
Returns TRUE
if the hash should be rehashed to match the given
algo
and options
, or FALSE
otherwise.