update : 2015.11.03
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This function runs a self test on the specified module

mcrypt_module_self_test

(PHP 4 >= 4.0.2, PHP 5)

mcrypt_module_self_testThis function runs a self test on the specified module

설명

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

This function runs the self test on the algorithm specified.

인수

algorithm

MCRYPT_ciphername 상수 중 하나이거나, 알고리즘 이름 문자열.

lib_dir

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

반환값

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

예제

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));
?>

위 예제의 출력:

bool(true)
bool(false)