HaruDoc::setEncryptionMode()
(PECL haru >= 0.0.1)
Set encryption mode for the document
说明
HaruDoc::setEncryptionMode(int $mode[,int $key_len= 5]): bool
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
发生错误时抛出HaruException异常。
参见
- HaruDoc::setPassword() Set owner and user passwords for the document
- HaruDoc::setPermission() Set permissions for the document