(PHP 4 >= 4.0.2, PHP 5, PHP 7)
mcrypt_module_is_block_algorithm_mode — Returns if the specified module is a block algorithm or not
$mode
[, string $lib_dir
] )
This function returns TRUE
if the mode is for use with block
algorithms, otherwise it returns FALSE
. (e.g. FALSE
for stream, and
TRUE
for cbc, cfb, ofb).
mode
The mode to check.
lib_dir
The optional lib_dir
parameter can contain the
location where the algorithm module is on the system.
This function returns TRUE
if the mode is for use with block
algorithms, otherwise it returns FALSE
. (e.g. FALSE
for stream, and
TRUE
for cbc, cfb, ofb).