mcrypt_module_self_test
(PHP 4 >= 4.0.2, PHP 5)
mcrypt_module_self_test — This 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 以上例程会输出：
<?php
var_dump(mcrypt_module_self_test(MCRYPT_RIJNDAEL_128)) . "
";
var_dump(mcrypt_module_self_test(MCRYPT_BOGUS_CYPHER));
?>
bool(true)
bool(false)
