HaruDoc::setEncryptionMode
(PECL haru:0.0.1)
HaruDoc::setEncryptionMode — Set encryption mode for the document
说明
bool HaruDoc::setEncryptionMode
( int $mode
[, int $key_len
] )
Defines encryption mode for the document. The encryption mode cannot be set before setting the password.
参数
- mode
-
The encryption mode to use. Can be one of the following:
- HaruDoc::ENCRYPT_R2 - use "revision2" algorithm.
- HaruDoc::ENCRYPT_R3 - use "revision3" algorithm. Using this value bumps the version of PDF to 1.4.
- key_len
-
The encryption key length in bytes. This parameter is optional and used only when mode is HaruDoc::ENCRYPT_R3. The default value is 5 (40bit).
返回值
Returns TRUE on success.
错误／异常
Throws HaruException on error.
