: Some projects on GitHub claim to provide free scripts for decoding various ionCube versions, including v10 through v12. Support for version 13 is less common in free repositories due to its relatively recent release.

The result is a .php file that contains encrypted bytecode instead of readable PHP. To run this file on a server, you need the – a free PHP extension that decrypts and executes the code on the fly.

Before diving into the decoder topic, it's essential to understand how IonCube works. IonCube encodes PHP files by converting them into a proprietary bytecode format. This bytecode is then executed by the IonCube Loader, a PHP extension that must be installed on the server. The loader decrypts the bytecode on-the-fly and executes it, providing a layer of protection against code theft and modification.