The best decoder is prevention. Avoid proprietary encoded scripts unless you trust the vendor to provide source code escrow or long-term support.
The ionCube Loader supports PHP 7.2, but there are some limitations. The ionCube Loader version 10.4 or later is required for PHP 7.2 compatibility.
You don’t need to decode! If the script is encoded for PHP 7.2, just install the correct loader:
Before you waste weeks trying to decode, consider these legitimate paths.
This works 100% and is legal.
: Zend Engine changes make opcode dumping and reassembly back to source extremely lossy.
If you are a PHP developer planning to distribute code: