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# mcrypt_get_cipher_name

(PHP 3>= 3.0.8, PHP 4 , PHP 5)

mcrypt_get_cipher_name -- Get the name of the specified cipher

## Description

string mcrypt_get_cipher_name ( int cipher)
string mcrypt_get_cipher_name ( string cipher)

mcrypt_get_cipher_name() is used to get the name of the specified cipher.

mcrypt_get_cipher_name() takes the cipher number as an argument (libmcrypt 2.2.x) or takes the cipher name as an argument (libmcrypt 2.4.x or higher) and returns the name of the cipher or `FALSE`, if the cipher does not exist.

示範 1.mcrypt_get_cipher_name() Example
`<?php $cipher = MCRYPT_TripleDES; echo mcrypt_get_cipher_name($cipher); ?>`
The above example will produce:
    3DES

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