(PHP 4 >= 4.0.2)
mcrypt_module_is_block_algorithm -- This function checks whether the specified algorithm is a block algorithm
Description
bool mcrypt_module_is_block_algorithm (string algorithm [, string lib_dir])
This function returns TRUE if the specified algorithm is a block
algorithm, or FALSE is it is a stream algorithm.
The optional lib_dir parameter can contain
the location where the algorithm module is on the system.