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
Description
bool mcrypt_module_self_test
( string $algorithm
[, string $lib_dir
] )
This function runs the self test on the algorithm specified. The optional lib_dir parameter can contain the location of where the algorithm module is on the system.
The function returns TRUE if the self test succeeds, or FALSE when if fails.
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));
?>
上例将输出：
bool(true) bool(false)
