(PHP 4 >= 4.0.2)
mcrypt_module_is_block_mode -- This function returns if the the specified mode outputs blocks or not
Description
bool mcrypt_module_is_block_mode (string mode [, string lib_dir])
This function returns TRUE if the mode outputs blocks of bytes or
FALSE if it outputs just bytes. (eg. 1 for cbc and ecb, and 0 for cfb
and stream). The optional lib_dir parameter
can contain the location where the mode module is on the system.