Zend Guard Some common questions to answer _php Digest

1. What is Zend Guard?

Zend Guard is the first code encryption solution and an electronic license management program to protect PHP intellectual property in the PHP market. Zend Guard maximizes the benefits of software by encrypting raw code and restricting the distribution of unauthorized software.

2. System Requirements for Zend guard

Supported Operating systems:
Linux x86
Windows x86 2000/xp/2003/vista (32-bit only)
Mac OS X 10.4, 10.5

Supported versions of PHP:
4.2.x to 5.2.x

3. The relationship between Zend Guard and Zend optimizer and its compatibility

Zend Guard Encrypted PHP source program needs to install the environment Zend optimizer can run, and Zend Optimizer in the process of encryption can also achieve the role of optimizing the code.

The following are the corresponding relationships between the versions of each Zend guard and the Zend Optimizer:

Zend Encoder/safeguard 3.1 (HOST ID)-Optimizer 2.5.x
Zend Encoder/safeguard 3.6 (Zend ID)-Optimizer 2.5.2
Zend Guard 4.x (Basic Encoding)-Optimizer 2.6.x
Zend Guard 5.0 (PHP 4, Basic Encoding)-Optimizer 2.6.x
Zend Guard 4.x (full obfuscation)-Optimizer 3.0.x
Zend Guard 5.0 (PHP 4, full obfuscation)-Optimizer 3.0.x
Zend Guard 5.0 (PHP 5, all Encoding)-Optimizer 3.3.x

3. How to try Zend Guard?

You can download the latest 5.0.1 from the Zend Guard and install the trial from the following pages:
http://www.phpchina.com/download/
Note: The trial version is unlimited, but the encrypted PHP source code expires after 14 days, and if you simultaneously generate the license file for a program encryption, the license file expires in 3 days, so for your benefit, we remind you to purchase the formal guard license as soon as possible.

4. How do I install Zend Guard?

There are two ways to install guard: one is to download the Zend guard installation package directly, unpack it and follow the installation Wizard, or install it directly from the network while installing Zend Studio (an IDE for Zend).

5. How to buy Zend Guard?

Chinese users purchase Zend Guard and can contact Zend China Technical Support Center:
Contact Person: Chen Hong
Tel: (010) 51657885-837
E-mail:chenghong@comsenz.com
Msn:zendchenhong@hotmail.com

6. What is the Zend ID? How do I generate a Zend ID?

Zend ID is used to bind the machine that you use Zend Guard, after generating a Zend ID, if you purchase Zend Guard,zend will generate a unique corresponding license file based on your Zend ID.
How to generate Zend IDs see:
Http://www.phpchina.com/bbs/thread-28258-1-1.html

7. How do I register Zend Guard?

Open Zendguard, help in a la carte, select Register, select Serch a license file on my disk, find the path to the Zend_guard.zl you saved on this machine, click Register to register successfully.

8. What does the basic encoding and full obfuscation in Zend guard refer to?

Zend Guard adopted a three-layer protection mechanism: encryption, confusion and license file management, encryption level increment, encoding refers to the basic file encryption, and obfuscation refers to the file in the variables, functions, classes and other names for fuzzy processing, You can decide which level of encryption to choose based on your own needs.

9. The encrypted file that is running has the following similar error message: "Fatal error:incompatible file Format ..." What is the reason?

This is because the version of Zend Optimizer is incompatible, it is recommended that you install the latest Zend Optimizer, and the correspondence between versions can be viewed in FAQ question 3.

10. What does the work only with encoded files option in Zend guard mean?

Work only with encoded files is the most secure form of encryption that encrypts all the files in your project as a whole, and is not possible to run when one of the files is extracted separately from the run or run concurrently with the encrypted files of other projects. Unless you are looking for security, we do not recommend this option when encrypting.