The ZendOptimizer is available for PHP versions up to 5.2.x. This is installed by default when PHP version 5.2.x is selected.
The Zend Guard Loader is available for PHP versions 5.3.x and higher. The Zend Guard Loader is not installed by default if PHP version 5.3.x is selected.
The Zend Guard Loader can be integrated via the customer menu as follows.
1) Download Zend Guard Loader at http://www.zend.com/products/guard/downloads (registration is required). Please select the Linux 32 bit version.
2) Copy the file to your web space via (S)FTP
3) Unpack the file on the server (shell), command for this:
tar xzf ZendGuardLoader-php-5.3-linux-glibc23-i386.tar.gzNow unpack
the files in the following directory:
/ZendGuardLoader-php-5.3-linux-glibc23-i386/
4) Configuration in the customer menuNow you have to edit the domain in the customer menu under the menu item Domain administration. Click on the PHP.INI-Editor button under the Settings tab and change the PHP version from global to domain-specific, entering the following values under the Other settings tab:
memory_limit = "256M"
upload_max_filesize = "128M"
zend_optimizer.enable_loader = "1"
zend_extension = *Path_to_Webspace/ZendGuardLoader-php-5.3-linux-glibc23-i386/php-5.3.x/iZendGuardLoader.so
post_max_size = "128M "
*You can find the path_to_webspace in your customer menu under General -> Information or by entering the command $PWD in the shell.