HaruDoc::setEncryptionMode
(PECL haru >= 0.0.1)
HaruDoc::setEncryptionMode — 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