mcrypt_enc_get_iv_size
Returns the size of the IV of the opened algorithm
WarningThis function has been
DEPRECATED as of PHP 7.1.0. Relying on this function
is highly discouraged.
Description
int mcrypt_enc_get_iv_size
( resource $td
)
Parameters
-
td
-
The encryption descriptor.
Return Values
Returns the size of the IV, or 0 if the IV is ignored by the algorithm.