mcrypt_enc_self_test

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

mcrypt_enc_self_test — Runs 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.

function mcrypt_enc_self_test(resource $td): int

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

Returns 0 on success and a negative int on failure.