Mcrypt 函数
PHP Manual

mcrypt_module_self_test

(PHP 4 >= 4.0.2, PHP 5)

mcrypt_module_self_testThis function runs a self test on the specified module

说明

bool mcrypt_module_self_test ( string $algorithm [, string $lib_dir ] )

This function runs the self test on the algorithm specified.

参数

algorithm

The algorithm to test.

lib_dir

The optional lib_dir parameter can contain the location where the algorithm module is on the system.

返回值

The function returns TRUE if the self test succeeds, or FALSE when it fails.

范例

Example #1 mcrypt_module_self_test() example

<?php
var_dump
(mcrypt_module_self_test(MCRYPT_RIJNDAEL_128)) . "\n";
var_dump(mcrypt_module_self_test(MCRYPT_BOGUS_CYPHER));
?>

以上例程会输出:

bool(true)
bool(false)


Mcrypt 函数
PHP Manual