When using password_hash() with the PASSWORD_DEFAULT algorithm constant, which of the following is true? (Choose 2)
A . The algorithm that is used for hashing passwords can change when PHP is upgraded.
B . The salt option should always be set to a longer value to account for future algorithm requirements.
C . The string length of the returned hash can change over time.
D . The hash algorithm that’s used will always be compatible with crypt().
Answer: A, C