(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)
mcrypt_enc_is_block_algorithm — Checks whether the algorithm of the opened mode is a block algorithm
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 algorithm of the opened mode is a block algorithm.
tdThe encryption descriptor.