mcrypt_enc_is_block_mode
(PHP 4 >= 4.0.2, PHP 5)
mcrypt_enc_is_block_mode — Checks whether the opened mode outputs blocks
说明
bool mcrypt_enc_is_block_mode ( resource $td )Tells whether the opened mode outputs blocks (e.g. TRUE for cbc and ecb, and FALSE for cfb and stream).
参数
- td
-
The encryption descriptor.
返回值
Returns TRUE if the mode outputs blocks of bytes, or FALSE if it outputs just bytes.
