Error during installation

I cannot provide you a root acces to my server.

Connection to the server with putty

wget http://downloads.zend.com/optimizer/3.3 ... 386.tar.gz

tar xzvf ZendOptimizer-3.3.9-linux-glibc23-x86_64.tar.gz

cp ZendOptimizer-3.3.9-linux-glibc23-x86_64/data/5_1_x_comp/ZendOptimizer.so /usr/local/lib/php/modules1/

nano /usr/local/lib/php.ini

add this line

zend_extension=/usr/local/lib/php/modules1/ZendOptimizer.so

service httpd restart

# php -i | grep Zend
We get :
------------------------------------------------------------------------

Zend Optimizer requires Zend Engine API version 220051025.
The Zend Engine API version 220060519 which is installed, is newer.
Contact Zend Technologies at http://www.zend.com/ for a later version of Zend Optimizer.
Zend Extension => 220060519
Zend memory manager => enabled
This program make use of the Zend Scripting Language Engine:
Zend Engine v2.2.0, Copyright 1998 â 2009 Zend Technologies
------------------------------------------------------------------------------------------------------I remind you
> CentOS5.3
> Apache 2.2.11 Running
> DirectAdmin 1.39.3 Running
> Exim 4.72 Running
> MySQL 5.0.51a Running
> Named 9.3.4 Running
> ProFTPd 1.3.1 Running
> sshd Running
> dovecot 1.1.16 Running
> Php 5.2.10 Installed