Zend not working

[mohammad.983]

Hi guys.
I used nginx with DA.
I used this Guid

 https://help.directadmin.com/item.php?id=395

and when I enter # php -v

PHP 5.5.31 (cli) (built: Jan 12 2016 00:34:14)
Copyright (c) 1997-2015 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2015 Zend Technologies
with the ionCube PHP Loader (enabled) + Intrusion Protection from ioncube24.com (unconfigured) v5.0.17, Copyright (c) 2002-2015, by ionCube Ltd.
with Zend Guard Loader v3.3, Copyright (c) 1998-2014, by Zend Technologies

but When I run phpinfo.php for testing zend, It doesn't work. and it show a white page!

 

[mohammad.983]

my problem is solved
I just change

try_files $uri $uri/ /index.php?$args;

to

try_files $uri $uri/ /index.php;

but I have another problem! I want to install a script. when I run install file, this message appeared :

"Zend Guard Run-time support missing!"