(PHP 4 >= 4.0.2, PHP 5, PHP 7)
mcrypt_enc_is_block_algorithm_mode — Checks whether the encryption of the opened mode works on blocks
$td
)
Tells whether the algorithm of the opened mode works on blocks (e.g.
FALSE for stream, and TRUE for cbc, cfb, ofb)..
tdThe encryption descriptor.
Returns TRUE if the mode is for use with block algorithms, otherwise it
returns FALSE.