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
說明
bool mcrypt_module_self_test
( string
$algorithm
[, string $lib_dir
] )This function runs the self test on the algorithm specified.
參數
-
algorithm -
MCRYPT_ciphername常數中的一個，或者是字串值的演算法名稱。 -
lib_dir -
The optional
lib_dirparameter can contain the location where the algorithm module is on the system.
回傳值
The function returns TRUE if the self test succeeds, or FALSE when it
fails.
範例
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));
?>
上例將輸出：
bool(true) bool(false)
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