mcrypt_module_is_block_algorithm
(PHP 4 >= 4.0.2)
mcrypt_module_is_block_algorithm -- This function checks whether the specified algorithm is a block algorithmDescription
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.