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Programming PHP, 3rd Edition by Peter MacIntyre, Kevin Tatroe, Rasmus Lerdorf

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Name

crypt

Synopsis

string crypt(string string[, string salt])

Encrypts string using the DES encryption algorithm seeded with the two-character salt value salt. If salt is not supplied, a random salt value is generated the first time crypt() is called in a script; this value is used on subsequent calls to crypt(). Returns the encrypted string.

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