(PHP 4 >= 4.0.2, PHP 5)
mcrypt_module_is_block_algorithm — This function checks whether the specified algorithm is a block algorithm
This function returns TRUE if the specified algorithm is a block algorithm, or FALSE is it is a stream algorithm.
The algorithm to check.
The optional lib_dir parameter can contain the location of where the algorithm module is on the system.
This function returns TRUE if the specified algorithm is a block algorithm, or FALSE is it is a stream algorithm.