(PHP 4 >= 4.0.2, PHP 5)
mcrypt_module_self_test — This function runs a self test on the specified module
$algorithm
[, string $lib_dir
] )This function runs the self test on the algorithm specified.
algorithm
The algorithm to test.
lib_dir
The optional lib_dir
parameter can contain the
location where the algorithm module is on the system.
The function returns TRUE
if the self test succeeds, or FALSE
when it
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));
?>
The above example will output:
bool(true) bool(false)