mcrypt_enc_self_test

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

mcrypt_enc_self_testRuns a self test on the opened module

Warning

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.

Description

mcrypt_enc_self_test ( resource $td ) : int

This function runs the self test on the algorithm specified by the descriptor td.

Parameters

td

The encryption descriptor.

Return Values

Returns 0 on success and a negative integer on failure.