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'UserComparePasswords': Called when checking passwords, return false to
-override the default password checks.
+override the default password checks. REMOVED since 1.23, use Password class instead.
&$hash: String of the password hash (from the database)
&$password: String of the plaintext password the user entered
&$userId: Integer of the user's ID or Boolean false if the user ID was not
$template: SimpleTemplate instance for the form
'UserCryptPassword': Called when hashing a password, return false to implement
-your own hashing method.
+your own hashing method. REMOVED since 1.23, use Password class instead.
&$password: String of the plaintext password to encrypt
&$salt: String of the password salt or Boolean false if no salt is provided
&$wgPasswordSalt: Boolean of whether the salt is used in the default hashing