(PHP 4 >= 4.0.2, PHP 5)
mcrypt_module_is_block_mode — Returns if the specified mode outputs blocks or not
$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
Одна из констант MCRYPT_MODE_modename
, либо одна из следующих строк: "ecb", "cbc", "cfb", "ofb", "nofb" и "stream".
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 outputs blocks of bytes or
FALSE
if it outputs just bytes. (e.g. TRUE
for cbc and ecb, and
FALSE
for cfb and stream).