password_needs_rehash()

password_needs_rehash() — Checks if the given hash matches the given options.

password_needs_rehash() — 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.

Inputs: 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: Returns true if the hash should be rehashed to match the given algo and options, or false otherwise.