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. 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.

范例

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)