password_hash() creates a new password hash using a strong one-way hashing algorithm. password_hash() is compatible with crypt(). Therefore, password hashes created by crypt() can be used with password_hash().

To hash a password, take the password string and pass it into password_hash the function as a parameter along with the algorithm you want to use, then store the returned hash into the database.

Following are the acceptable ways to create a secure password hash in PHP

A. crypt()
B. hash_pbkdf2()
C. password_hash()

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