How to install ioncube loader under debian for shopware:
cd /tmp
wget http://downloads3.ioncube.com/loader_downloads/ioncube_loaders_lin_x86-64.tar.gz
tar xfv ioncube_loaders_lin_x86-64.tar.gz
cp -r ioncube /usr/local/
nano /etc/php5/apache2/php.ini
#at the top of the file before PHP
zend_extension = /usr/local/ioncube/ioncube_loader_lin_5.6.so
/etc/init.d/apache2 restart
