Updated: 28 September 2026 · Applies to: AlmaLinux 9, Rocky Linux 9, Ubuntu 24.04 and Debian 12
The ionCube Loader runs PHP files encoded with ionCube. Install the loader that matches your PHP version.
cPanel servers
In WHM › Software › EasyApache 4 › Customize › PHP Extensions, search for ioncube and enable it for your PHP versions (see "cPanel error: ionCube not installed error").
Other servers
- Download the Linux 64-bit loaders from ionCube's website and unpack them.
- Copy the loader for your PHP version (for example
ioncube_loader_lin_8.3.so) to PHP's extension folder. - Add
zend_extension=ioncube_loader_lin_8.3.soto a new.inifile loaded before other Zend extensions, and restart PHP.
Check with php -v, which shows "with the ionCube PHP Loader".
