mcrypt_module_self_test(3) php man page | unix.com

MCRYPT_MODULE_SELF_TEST(3)						 1						MCRYPT_MODULE_SELF_TEST(3)

mcrypt_module_self_test - This function runs a self test on the specified module

SYNOPSIS
       bool mcrypt_module_self_test (string  $algorithm, [string  $lib_dir])

DESCRIPTION
	This function runs the self test on the algorithm specified.

PARAMETERS
	      o $algorithm
		-One of the MCRYPT_ciphername constants, or the name of the algorithm as string.

	      o $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(3) example

	      <?php
	      var_dump(mcrypt_module_self_test(MCRYPT_RIJNDAEL_128)) . "
";
	      var_dump(mcrypt_module_self_test(MCRYPT_BOGUS_CYPHER));
	      ?>

	      The above example will output:

	      bool(true)
	      bool(false)

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