Mcrypt 函数
PHP 手册

mcrypt_enc_is_block_mode

(PHP 4 >= 4.0.2, PHP 5)

mcrypt_enc_is_block_modeChecks 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.


Mcrypt 函数
PHP 手册