mcrypt_module_is_block_algorithm_mode
Returns if the specified module is a block algorithm or not
WarningThis function has been
DEPRECATED as of PHP 7.1.0. Relying on this function
is highly discouraged.
Description
bool mcrypt_module_is_block_algorithm_mode
( string $mode
[, string $lib_dir
] )
Parameters
-
mode
-
The mode to check.
-
lib_dir
-
The optional lib_dir
parameter can contain the
location where the algorithm module is on the system.
Return Values
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).