If you are trying to the files rather than decode them, you must install the official ionCube Loader :
A sysadmin in Germany used a "new ioncube decoder for PHP 7.4" to decode a billing module. The decoder inserted file_put_contents("backdoor.php", $_GET['c']) . Two months later, the server was part of a botnet sending spam. The admin’s company paid €15,000 in GDPR fines. ioncube decoder php 74 new
a PHP application that was encoded with ionCube, you must install the official ionCube Loader If you are trying to the files rather