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mcrypt_module_open	mcrypt_ofb

	Last updated: Mon, 16 Jul 2012

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.

例子 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)

mcrypt_module_open	mcrypt_ofb

	Last updated: Mon, 16 Jul 2012

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Last updated: Thu Jul 7 19:13:47 2005 CST