This instruction applies only for paid hosting accounts and requires you to EDIT the php.ini file. Once you have opened the php.ini file scroll at the bottom where you will find a similar line depending on the PHP version you are using:
;zend_extension = /usr/local/ioncube/ioncube_loader_lin_7.3.so
To enable Ioncube simply remove the comment “;” and save the php.ini file.