(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)
mcrypt_enc_get_block_size — Returns the blocksize of the opened 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.
Gets the blocksize of the opened algorithm.
td
The encryption descriptor.
Returns the block size of the specified algorithm in bytes.