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.
Parameters
- algorithm
-
The algorithm to test.
- lib_dir
-
The optional lib_dir parameter can contain the location where the algorithm module is on the system.
Return Values
The function returns TRUE if the self test succeeds, or FALSE when it fails.
Examples
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)