mcrypt_module_self_test

(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)

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

Aviso

This function has been DEPRECATED as of PHP 7.1.0 and REMOVED as of PHP 7.2.0. Relying on this function is highly discouraged.

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

This function runs the self test on the algorithm specified.

algorithm: Uma das constantes MCRYPT_ciphername, ou o nome do algoritmo como string.
lib_dir: The optional lib_dir parameter can contain the location where the algorithm module is on the system.

The function returns true if the self test succeeds, or false when it fails.

Exemplo #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));
?>

O exemplo acima irá imprimir:

bool(true)
bool(false)

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