What is ionCube Loader?
ionCube Loader is a free tool for executing pre-compiled PHP code.
Common Error Message:
Site error: the file /usr/local/cpanel/whostmgr/docroot/cgi/softaculous/index.php requires the ionCube PHP Loader ioncube_loader_lin_5.2.so to be installed by the site administrator.
How to Enable ionCube Loader for cPanel's internal PHP:
Sometimes you need to enable the IonCube loader for plugins that use cPanel's version of PHP, like Fantastico or Softaculous.
These directions only cover how to enable IonCube in cPanel's internal version of PHP. If you want to activate IonCube for your public website, you need to use Easy Apache 4 in WHM.
Log into WHM and click on "Tweak Settings"
Type "loader" into the find box. Then click the check box next to "ioncube" hit save and you are done. The ioncube loader is now installed and enabled on your server.