Why does hashing a password result in different hashes, each time?
By default, each time a new hash is generated (e.g. wp_hash_password()) WordPress salts it with random bytes, producing a unique hash for each call. The string returned from wp_hash_password() consists of four parts concatenated in order – the hashing algorithm ID, the exponent of hash iterations, the randomly generated salt, and finally the salted and … Read more