(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)
mcrypt_enc_is_block_mode — Checks whether the opened mode outputs blocks
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.
Tells whether the opened mode outputs blocks (e.g. true for cbc and ecb,
and false for cfb and stream).
tdThe encryption descriptor.