mcrypt_module_is_block_mode

mcrypt_module_is_block_mode

Returns if the specified mode outputs blocks or not

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. (e.g. true for cbc and ecb, and false for cfb and stream).

mode``lib_dir The optional parameter can contain the location where the algorithm module is on the system. lib_dir

This function returns true if the mode outputs blocks of bytes or false if it outputs just bytes. (e.g. true for cbc and ecb, and false for cfb and stream).