(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)
mcrypt_list_algorithms — 获取支持的加密算法
This function has been DEPRECATED as of PHP 7.1.0. Relying on this function is highly discouraged.
$lib_dir = ini_get("mcrypt.algorithms_dir")
] ) : array
获取 lib_dir 中
包含的受支持的算法。
lib_dir指定算法所在的位置。 如果未指定，将使用 php.ini 中的 mcrypt.algorithms_dir 指示所指定的位置。
以数组方式返回所有受支持的算法。
Example #1 mcrypt_list_algorithms() 例程
<?php
$algorithms = mcrypt_list_algorithms();
print_r($algorithms);
?>
以上例程的输出类似于：
Array
(
[0] => cast-128
[1] => gost
[2] => rijndael-128
[3] => twofish
[4] => arcfour
[5] => cast-256
[6] => loki97
[7] => rijndael-192
[8] => saferplus
[9] => wake
[10] => blowfish-compat
[11] => des
[12] => rijndael-256
[13] => serpent
[14] => xtea
[15] => blowfish
[16] => enigma
[17] => rc2
[18] => tripledes
)