ionCube introduced significant changes to their loader architecture starting with PHP 8.0 support. They moved away from some of the older execution patterns that made previous versions vulnerable to static analysis tools. The result is that the "easy" methods of de-obfuscation no longer apply.
It is worth noting that the broader PHP security community has cracked down on "eval" based obfuscation. Many modern PHP security modules automatically block files that attempt to use base64_decode() combined with eval() —a common tactic in early PHP obfuscation. Professional decoders must handle these hooks to produce clean, functional code without triggering security alerts. ioncube decoder php 81 upd
Full compatibility with IonCube 14/15 and PHP 8.1, 8.2, 8.3, and 8.4. It is worth noting that the broader PHP
If a plugin or theme is abandoned, the safest and most future-proof solution is to analyze the inputs and outputs of the software and rebuild the required functionality from scratch using modern PHP 8.1+ practices. Full compatibility with IonCube 14/15 and PHP 8
While technically possible for hobbyist reverse engineering, using such tools on commercial software is a direct violation of licensing agreements and carries significant legal risk. They also pose a severe security threat, as they can easily become vectors for malware.