Developers may lose original unencoded files.
PHP 5.6 is (security support ended December 2018). Consider: ioncube decoder v10x php 56 verified
Your requirement for a decoder to work on PHP 5.6 adds another critical dimension: security risk. PHP 5.6 reached its official End of Life (EOL) on December 31, 2018. This means it no longer receives security patches from the PHP development team for any new vulnerabilities discovered. Developers may lose original unencoded files