(PHP 4, PHP 5)
mcrypt_get_cipher_name — Gets the name of the specified 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.
One of the MCRYPT_ciphername constants or the name of the algorithm as string.
This function returns the name of the cipher or FALSE, if the cipher does not exist.
Example #1 mcrypt_get_cipher_name() Example 以上例程会输出：
<?php
$cipher = MCRYPT_TripleDES;
echo mcrypt_get_cipher_name($cipher);
?>
3DES