(PHP 4 >= 4.0.2, PHP 5, PHP 7 < 7.2.0, PECL mcrypt >= 1.0.0)
mcrypt_module_is_block_mode — Returns if the specified mode outputs blocks or not
This function has been DEPRECATED as of PHP 7.1.0 and REMOVED as of PHP 7.2.0. Relying on this function is highly discouraged.
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
Una tra le costanti MCRYPT_MODE_modename
, oppure una tra le seguenti stringhe: "ecb", "cbc", "cfb", "ofb", "nofb" o "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).